Home / 125,286.30-187,911.22-36,515.96

Finding the Fourth Proportional to 125,286.30, 187,911.22 and 36,515.96

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Solution

The fourth proportional to 125,286.30, 187,911.22 and 36,515.96 is: 54,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,286.30 : 187,911.22 = 36,515.96 : x
  2. Step 2: Convert to fraction form
    125,286.30/187,911.22 = 36,515.96/x
  3. Step 3: Cross multiply
    125,286.30x = 187,911.22 × 36,515.96
  4. Step 4: Simplify right side
    125,286.30x = 6,861,758,593.07
  5. Step 5: Solve for x
    x = 6,861,758,593.07/125,286.30
  6. Step 6: Final answer
    x = 54,768.63

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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.