Home / 283,799.52-391,635.84-156,472.96

Finding the Fourth Proportional to 283,799.52, 391,635.84 and 156,472.96

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Solution

The fourth proportional to 283,799.52, 391,635.84 and 156,472.96 is: 215,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,799.52 : 391,635.84 = 156,472.96 : x
  2. Step 2: Convert to fraction form
    283,799.52/391,635.84 = 156,472.96/x
  3. Step 3: Cross multiply
    283,799.52x = 391,635.84 × 156,472.96
  4. Step 4: Simplify right side
    283,799.52x = 61,280,419,126.89
  5. Step 5: Solve for x
    x = 61,280,419,126.89/283,799.52
  6. Step 6: Final answer
    x = 215,928.55

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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.