Home / 125,024.20-187,536.30-50,155.90

Finding the Fourth Proportional to 125,024.20, 187,536.30 and 50,155.90

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Solution

The fourth proportional to 125,024.20, 187,536.30 and 50,155.90 is: 75,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,024.20 : 187,536.30 = 50,155.90 : x
  2. Step 2: Convert to fraction form
    125,024.20/187,536.30 = 50,155.90/x
  3. Step 3: Cross multiply
    125,024.20x = 187,536.30 × 50,155.90
  4. Step 4: Simplify right side
    125,024.20x = 9,406,051,909.17
  5. Step 5: Solve for x
    x = 9,406,051,909.17/125,024.20
  6. Step 6: Final answer
    x = 75,233.85

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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.