Home / 149,909.28-224,863.85-74,953.96

Finding the Fourth Proportional to 149,909.28, 224,863.85 and 74,953.96

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Solution

The fourth proportional to 149,909.28, 224,863.85 and 74,953.96 is: 112,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,909.28 : 224,863.85 = 74,953.96 : x
  2. Step 2: Convert to fraction form
    149,909.28/224,863.85 = 74,953.96/x
  3. Step 3: Cross multiply
    149,909.28x = 224,863.85 × 74,953.96
  4. Step 4: Simplify right side
    149,909.28x = 16,854,435,221.96
  5. Step 5: Solve for x
    x = 16,854,435,221.96/149,909.28
  6. Step 6: Final answer
    x = 112,430.90

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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.