Home / 125,175.20-187,743.18-40,934.66

Finding the Fourth Proportional to 125,175.20, 187,743.18 and 40,934.66

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Solution

The fourth proportional to 125,175.20, 187,743.18 and 40,934.66 is: 61,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,175.20 : 187,743.18 = 40,934.66 : x
  2. Step 2: Convert to fraction form
    125,175.20/187,743.18 = 40,934.66/x
  3. Step 3: Cross multiply
    125,175.20x = 187,743.18 × 40,934.66
  4. Step 4: Simplify right side
    125,175.20x = 7,685,203,240.62
  5. Step 5: Solve for x
    x = 7,685,203,240.62/125,175.20
  6. Step 6: Final answer
    x = 61,395.57

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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.