Home / 125,281.18-187,901.78-36,513.92

Finding the Fourth Proportional to 125,281.18, 187,901.78 and 36,513.92

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Solution

The fourth proportional to 125,281.18, 187,901.78 and 36,513.92 is: 54,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,281.18 : 187,901.78 = 36,513.92 : x
  2. Step 2: Convert to fraction form
    125,281.18/187,901.78 = 36,513.92/x
  3. Step 3: Cross multiply
    125,281.18x = 187,901.78 × 36,513.92
  4. Step 4: Simplify right side
    125,281.18x = 6,861,030,849.96
  5. Step 5: Solve for x
    x = 6,861,030,849.96/125,281.18
  6. Step 6: Final answer
    x = 54,765.06

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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.