Home / 126,974.30-190,399.89-38,211.26

Finding the Fourth Proportional to 126,974.30, 190,399.89 and 38,211.26

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Solution

The fourth proportional to 126,974.30, 190,399.89 and 38,211.26 is: 57,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,974.30 : 190,399.89 = 38,211.26 : x
  2. Step 2: Convert to fraction form
    126,974.30/190,399.89 = 38,211.26/x
  3. Step 3: Cross multiply
    126,974.30x = 190,399.89 × 38,211.26
  4. Step 4: Simplify right side
    126,974.30x = 7,275,419,700.76
  5. Step 5: Solve for x
    x = 7,275,419,700.76/126,974.30
  6. Step 6: Final answer
    x = 57,298.36

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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.