Home / 126,910.28-175,136.37-69,540.48

Finding the Fourth Proportional to 126,910.28, 175,136.37 and 69,540.48

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Solution

The fourth proportional to 126,910.28, 175,136.37 and 69,540.48 is: 95,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.28 : 175,136.37 = 69,540.48 : x
  2. Step 2: Convert to fraction form
    126,910.28/175,136.37 = 69,540.48/x
  3. Step 3: Cross multiply
    126,910.28x = 175,136.37 × 69,540.48
  4. Step 4: Simplify right side
    126,910.28x = 12,179,067,235.26
  5. Step 5: Solve for x
    x = 12,179,067,235.26/126,910.28
  6. Step 6: Final answer
    x = 95,965.97

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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.