Finding the Fourth Proportional to 247,432.68, 341,454.96 and 140,001.84
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Solution
The fourth proportional to 247,432.68, 341,454.96 and 140,001.84 is: 193,201.33
Step by Step Solution
- Step 1: Write the proportion equation
247,432.68 : 341,454.96 = 140,001.84 : x - Step 2: Convert to fraction form
247,432.68/341,454.96 = 140,001.84/x - Step 3: Cross multiply
247,432.68x = 341,454.96 × 140,001.84 - Step 4: Simplify right side
247,432.68x = 47,804,322,677.13 - Step 5: Solve for x
x = 47,804,322,677.13/247,432.68 - Step 6: Final answer
x = 193,201.33
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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.