Home / 126,921.48-175,195.56-73,227.90

Finding the Fourth Proportional to 126,921.48, 175,195.56 and 73,227.90

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Solution

The fourth proportional to 126,921.48, 175,195.56 and 73,227.90 is: 101,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,921.48 : 175,195.56 = 73,227.90 : x
  2. Step 2: Convert to fraction form
    126,921.48/175,195.56 = 73,227.90/x
  3. Step 3: Cross multiply
    126,921.48x = 175,195.56 × 73,227.90
  4. Step 4: Simplify right side
    126,921.48x = 12,829,202,948.12
  5. Step 5: Solve for x
    x = 12,829,202,948.12/126,921.48
  6. Step 6: Final answer
    x = 101,079.84

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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.