Finding the Fourth Proportional to 178,227.36, 245,953.68 and 97,657.92
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Solution
The fourth proportional to 178,227.36, 245,953.68 and 97,657.92 is: 134,767.89
Step by Step Solution
- Step 1: Write the proportion equation
178,227.36 : 245,953.68 = 97,657.92 : x - Step 2: Convert to fraction form
178,227.36/245,953.68 = 97,657.92/x - Step 3: Cross multiply
178,227.36x = 245,953.68 × 97,657.92 - Step 4: Simplify right side
178,227.36x = 24,019,324,805.15 - Step 5: Solve for x
x = 24,019,324,805.15/178,227.36 - Step 6: Final answer
x = 134,767.89
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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.