Home / 107,132.28-147,849.66-59,387.64

Finding the Fourth Proportional to 107,132.28, 147,849.66 and 59,387.64

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Solution

The fourth proportional to 107,132.28, 147,849.66 and 59,387.64 is: 81,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,132.28 : 147,849.66 = 59,387.64 : x
  2. Step 2: Convert to fraction form
    107,132.28/147,849.66 = 59,387.64/x
  3. Step 3: Cross multiply
    107,132.28x = 147,849.66 × 59,387.64
  4. Step 4: Simplify right side
    107,132.28x = 8,780,442,382.20
  5. Step 5: Solve for x
    x = 8,780,442,382.20/107,132.28
  6. Step 6: Final answer
    x = 81,958.89

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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.