Home / 214,939.28-321,988.52-177,042.96

Finding the Fourth Proportional to 214,939.28, 321,988.52 and 177,042.96

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Solution

The fourth proportional to 214,939.28, 321,988.52 and 177,042.96 is: 265,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,939.28 : 321,988.52 = 177,042.96 : x
  2. Step 2: Convert to fraction form
    214,939.28/321,988.52 = 177,042.96/x
  3. Step 3: Cross multiply
    214,939.28x = 321,988.52 × 177,042.96
  4. Step 4: Simplify right side
    214,939.28x = 57,005,799,781.60
  5. Step 5: Solve for x
    x = 57,005,799,781.60/214,939.28
  6. Step 6: Final answer
    x = 265,218.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.