Home / 132,259.38-198,316.17-68,921.44

Finding the Fourth Proportional to 132,259.38, 198,316.17 and 68,921.44

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Solution

The fourth proportional to 132,259.38, 198,316.17 and 68,921.44 is: 103,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,259.38 : 198,316.17 = 68,921.44 : x
  2. Step 2: Convert to fraction form
    132,259.38/198,316.17 = 68,921.44/x
  3. Step 3: Cross multiply
    132,259.38x = 198,316.17 × 68,921.44
  4. Step 4: Simplify right side
    132,259.38x = 13,668,236,011.68
  5. Step 5: Solve for x
    x = 13,668,236,011.68/132,259.38
  6. Step 6: Final answer
    x = 103,344.17

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1.5x scale

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.