Home / 125,635.72-188,476.67-41,400.85

Finding the Fourth Proportional to 125,635.72, 188,476.67 and 41,400.85

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Solution

The fourth proportional to 125,635.72, 188,476.67 and 41,400.85 is: 62,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635.72 : 188,476.67 = 41,400.85 : x
  2. Step 2: Convert to fraction form
    125,635.72/188,476.67 = 41,400.85/x
  3. Step 3: Cross multiply
    125,635.72x = 188,476.67 × 41,400.85
  4. Step 4: Simplify right side
    125,635.72x = 7,803,094,343.17
  5. Step 5: Solve for x
    x = 7,803,094,343.17/125,635.72
  6. Step 6: Final answer
    x = 62,108.88

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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.