Finding the Fourth Proportional to 168,749.67, 232,933.15 and 97,158.23
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Solution
The fourth proportional to 168,749.67, 232,933.15 and 97,158.23 is: 134,112.09
Step by Step Solution
- Step 1: Write the proportion equation
168,749.67 : 232,933.15 = 97,158.23 : x - Step 2: Convert to fraction form
168,749.67/232,933.15 = 97,158.23/x - Step 3: Cross multiply
168,749.67x = 232,933.15 × 97,158.23 - Step 4: Simplify right side
168,749.67x = 22,631,370,911.87 - Step 5: Solve for x
x = 22,631,370,911.87/168,749.67 - Step 6: Final answer
x = 134,112.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.