Home / 232,819.20-321,177.60-157,363.20

Finding the Fourth Proportional to 232,819.20, 321,177.60 and 157,363.20

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Solution

The fourth proportional to 232,819.20, 321,177.60 and 157,363.20 is: 217,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,819.20 : 321,177.60 = 157,363.20 : x
  2. Step 2: Convert to fraction form
    232,819.20/321,177.60 = 157,363.20/x
  3. Step 3: Cross multiply
    232,819.20x = 321,177.60 × 157,363.20
  4. Step 4: Simplify right side
    232,819.20x = 50,541,534,904.32
  5. Step 5: Solve for x
    x = 50,541,534,904.32/232,819.20
  6. Step 6: Final answer
    x = 217,084.91

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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.