Home / 135,000.90-202,404.15-75,854.70

Finding the Fourth Proportional to 135,000.90, 202,404.15 and 75,854.70

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Solution

The fourth proportional to 135,000.90, 202,404.15 and 75,854.70 is: 113,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,000.90 : 202,404.15 = 75,854.70 : x
  2. Step 2: Convert to fraction form
    135,000.90/202,404.15 = 75,854.70/x
  3. Step 3: Cross multiply
    135,000.90x = 202,404.15 × 75,854.70
  4. Step 4: Simplify right side
    135,000.90x = 15,353,306,077.01
  5. Step 5: Solve for x
    x = 15,353,306,077.01/135,000.90
  6. Step 6: Final answer
    x = 113,727.43

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1.5x scale

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.