Home / 125,029.10-187,354.22-82,757.72

Finding the Fourth Proportional to 125,029.10, 187,354.22 and 82,757.72

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Solution

The fourth proportional to 125,029.10, 187,354.22 and 82,757.72 is: 124,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,029.10 : 187,354.22 = 82,757.72 : x
  2. Step 2: Convert to fraction form
    125,029.10/187,354.22 = 82,757.72/x
  3. Step 3: Cross multiply
    125,029.10x = 187,354.22 × 82,757.72
  4. Step 4: Simplify right side
    125,029.10x = 15,505,008,134.18
  5. Step 5: Solve for x
    x = 15,505,008,134.18/125,029.10
  6. Step 6: Final answer
    x = 124,011.19

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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.