You may have solved the proportion $\displaystyle\frac{{56}}{{100}}=\frac{{175}}{{n}}\usepackage{cmbright}\Huge\$ , but the percent in this problem is 175%. So the correct proportion is $\displaystyle\frac{{175}}{{100}}=\frac{{56}}{{n}}\usepackage{cmbright}\Huge\$ . The answer is 32.