Home / 127,229.22-175,287.50-98,449.92

Finding the Fourth Proportional to 127,229.22, 175,287.50 and 98,449.92

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Solution

The fourth proportional to 127,229.22, 175,287.50 and 98,449.92 is: 135,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,229.22 : 175,287.50 = 98,449.92 : x
  2. Step 2: Convert to fraction form
    127,229.22/175,287.50 = 98,449.92/x
  3. Step 3: Cross multiply
    127,229.22x = 175,287.50 × 98,449.92
  4. Step 4: Simplify right side
    127,229.22x = 17,257,040,352
  5. Step 5: Solve for x
    x = 17,257,040,352/127,229.22
  6. Step 6: Final answer
    x = 135,637.40

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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.