Home / 125,183.52-187,823.22-75,298.95

Finding the Fourth Proportional to 125,183.52, 187,823.22 and 75,298.95

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Solution

The fourth proportional to 125,183.52, 187,823.22 and 75,298.95 is: 112,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,183.52 : 187,823.22 = 75,298.95 : x
  2. Step 2: Convert to fraction form
    125,183.52/187,823.22 = 75,298.95/x
  3. Step 3: Cross multiply
    125,183.52x = 187,823.22 × 75,298.95
  4. Step 4: Simplify right side
    125,183.52x = 14,142,891,251.62
  5. Step 5: Solve for x
    x = 14,142,891,251.62/125,183.52
  6. Step 6: Final answer
    x = 112,977.26

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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.