Home / 125,200.83-187,761.60-40,941.53

Finding the Fourth Proportional to 125,200.83, 187,761.60 and 40,941.53

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Solution

The fourth proportional to 125,200.83, 187,761.60 and 40,941.53 is: 61,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,200.83 : 187,761.60 = 40,941.53 : x
  2. Step 2: Convert to fraction form
    125,200.83/187,761.60 = 40,941.53/x
  3. Step 3: Cross multiply
    125,200.83x = 187,761.60 × 40,941.53
  4. Step 4: Simplify right side
    125,200.83x = 7,687,247,179.25
  5. Step 5: Solve for x
    x = 7,687,247,179.25/125,200.83
  6. Step 6: Final answer
    x = 61,399.33

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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.