Finding the Fourth Proportional to 146,657.92, 202,390.96 and 82,995.70
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Solution
The fourth proportional to 146,657.92, 202,390.96 and 82,995.70 is: 114,535.78
Step by Step Solution
- Step 1: Write the proportion equation
146,657.92 : 202,390.96 = 82,995.70 : x - Step 2: Convert to fraction form
146,657.92/202,390.96 = 82,995.70/x - Step 3: Cross multiply
146,657.92x = 202,390.96 × 82,995.70 - Step 4: Simplify right side
146,657.92x = 16,797,579,398.87 - Step 5: Solve for x
x = 16,797,579,398.87/146,657.92 - Step 6: Final answer
x = 114,535.78
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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.