Home / 214,819.32-296,402.94-129,934.56

Finding the Fourth Proportional to 214,819.32, 296,402.94 and 129,934.56

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Solution

The fourth proportional to 214,819.32, 296,402.94 and 129,934.56 is: 179,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,819.32 : 296,402.94 = 129,934.56 : x
  2. Step 2: Convert to fraction form
    214,819.32/296,402.94 = 129,934.56/x
  3. Step 3: Cross multiply
    214,819.32x = 296,402.94 × 129,934.56
  4. Step 4: Simplify right side
    214,819.32x = 38,512,985,591.61
  5. Step 5: Solve for x
    x = 38,512,985,591.61/214,819.32
  6. Step 6: Final answer
    x = 179,280.83

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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.