Home / 126,947.52-190,372.03-67,750.90

Finding the Fourth Proportional to 126,947.52, 190,372.03 and 67,750.90

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Solution

The fourth proportional to 126,947.52, 190,372.03 and 67,750.90 is: 101,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,947.52 : 190,372.03 = 67,750.90 : x
  2. Step 2: Convert to fraction form
    126,947.52/190,372.03 = 67,750.90/x
  3. Step 3: Cross multiply
    126,947.52x = 190,372.03 × 67,750.90
  4. Step 4: Simplify right side
    126,947.52x = 12,897,875,722.02
  5. Step 5: Solve for x
    x = 12,897,875,722.02/126,947.52
  6. Step 6: Final answer
    x = 101,600.06

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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.