Home / 135,793.52-187,396.30-82,114.41

Finding the Fourth Proportional to 135,793.52, 187,396.30 and 82,114.41

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Solution

The fourth proportional to 135,793.52, 187,396.30 and 82,114.41 is: 113,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,793.52 : 187,396.30 = 82,114.41 : x
  2. Step 2: Convert to fraction form
    135,793.52/187,396.30 = 82,114.41/x
  3. Step 3: Cross multiply
    135,793.52x = 187,396.30 × 82,114.41
  4. Step 4: Simplify right side
    135,793.52x = 15,387,936,610.68
  5. Step 5: Solve for x
    x = 15,387,936,610.68/135,793.52
  6. Step 6: Final answer
    x = 113,318.64

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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.