Home / 138,205.53-207,056.79-95,996.43

Finding the Fourth Proportional to 138,205.53, 207,056.79 and 95,996.43

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Solution

The fourth proportional to 138,205.53, 207,056.79 and 95,996.43 is: 143,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,205.53 : 207,056.79 = 95,996.43 : x
  2. Step 2: Convert to fraction form
    138,205.53/207,056.79 = 95,996.43/x
  3. Step 3: Cross multiply
    138,205.53x = 207,056.79 × 95,996.43
  4. Step 4: Simplify right side
    138,205.53x = 19,876,712,647.26
  5. Step 5: Solve for x
    x = 19,876,712,647.26/138,205.53
  6. Step 6: Final answer
    x = 143,819.95

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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.