Home / 134,850.64-202,275.76-126,540.04

Finding the Fourth Proportional to 134,850.64, 202,275.76 and 126,540.04

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Solution

The fourth proportional to 134,850.64, 202,275.76 and 126,540.04 is: 189,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,850.64 : 202,275.76 = 126,540.04 : x
  2. Step 2: Convert to fraction form
    134,850.64/202,275.76 = 126,540.04/x
  3. Step 3: Cross multiply
    134,850.64x = 202,275.76 × 126,540.04
  4. Step 4: Simplify right side
    134,850.64x = 25,595,982,761.43
  5. Step 5: Solve for x
    x = 25,595,982,761.43/134,850.64
  6. Step 6: Final answer
    x = 189,809.87

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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.