Home / 135,951.15-187,642.60-75,542.57

Finding the Fourth Proportional to 135,951.15, 187,642.60 and 75,542.57

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Solution

The fourth proportional to 135,951.15, 187,642.60 and 75,542.57 is: 104,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,951.15 : 187,642.60 = 75,542.57 : x
  2. Step 2: Convert to fraction form
    135,951.15/187,642.60 = 75,542.57/x
  3. Step 3: Cross multiply
    135,951.15x = 187,642.60 × 75,542.57
  4. Step 4: Simplify right side
    135,951.15x = 14,175,003,118.41
  5. Step 5: Solve for x
    x = 14,175,003,118.41/135,951.15
  6. Step 6: Final answer
    x = 104,265.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.