Home / 126,947.64-175,181-73,229.48

Finding the Fourth Proportional to 126,947.64, 175,181 and 73,229.48

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Solution

The fourth proportional to 126,947.64, 175,181 and 73,229.48 is: 101,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,947.64 : 175,181 = 73,229.48 : x
  2. Step 2: Convert to fraction form
    126,947.64/175,181 = 73,229.48/x
  3. Step 3: Cross multiply
    126,947.64x = 175,181 × 73,229.48
  4. Step 4: Simplify right side
    126,947.64x = 12,828,413,535.88
  5. Step 5: Solve for x
    x = 12,828,413,535.88/126,947.64
  6. Step 6: Final answer
    x = 101,052.79

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1.5x scale

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.