Home / 125,273.66-187,910.49-108,356.39

Finding the Fourth Proportional to 125,273.66, 187,910.49 and 108,356.39

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Solution

The fourth proportional to 125,273.66, 187,910.49 and 108,356.39 is: 162,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,273.66 : 187,910.49 = 108,356.39 : x
  2. Step 2: Convert to fraction form
    125,273.66/187,910.49 = 108,356.39/x
  3. Step 3: Cross multiply
    125,273.66x = 187,910.49 × 108,356.39
  4. Step 4: Simplify right side
    125,273.66x = 20,361,301,797.75
  5. Step 5: Solve for x
    x = 20,361,301,797.75/125,273.66
  6. Step 6: Final answer
    x = 162,534.59

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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.