Home / 125,254.30-187,553.40-91,793.20

Finding the Fourth Proportional to 125,254.30, 187,553.40 and 91,793.20

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Solution

The fourth proportional to 125,254.30, 187,553.40 and 91,793.20 is: 137,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,254.30 : 187,553.40 = 91,793.20 : x
  2. Step 2: Convert to fraction form
    125,254.30/187,553.40 = 91,793.20/x
  3. Step 3: Cross multiply
    125,254.30x = 187,553.40 × 91,793.20
  4. Step 4: Simplify right side
    125,254.30x = 17,216,126,756.88
  5. Step 5: Solve for x
    x = 17,216,126,756.88/125,254.30
  6. Step 6: Final answer
    x = 137,449.39

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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.