Home / 135,794.17-187,344.52-100,069.39

Finding the Fourth Proportional to 135,794.17, 187,344.52 and 100,069.39

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Solution

The fourth proportional to 135,794.17, 187,344.52 and 100,069.39 is: 138,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,794.17 : 187,344.52 = 100,069.39 : x
  2. Step 2: Convert to fraction form
    135,794.17/187,344.52 = 100,069.39/x
  3. Step 3: Cross multiply
    135,794.17x = 187,344.52 × 100,069.39
  4. Step 4: Simplify right side
    135,794.17x = 18,747,451,836.24
  5. Step 5: Solve for x
    x = 18,747,451,836.24/135,794.17
  6. Step 6: Final answer
    x = 138,057.86

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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.