Home / 132,589.55-198,652.26-90,332.46

Finding the Fourth Proportional to 132,589.55, 198,652.26 and 90,332.46

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Solution

The fourth proportional to 132,589.55, 198,652.26 and 90,332.46 is: 135,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.55 : 198,652.26 = 90,332.46 : x
  2. Step 2: Convert to fraction form
    132,589.55/198,652.26 = 90,332.46/x
  3. Step 3: Cross multiply
    132,589.55x = 198,652.26 × 90,332.46
  4. Step 4: Simplify right side
    132,589.55x = 17,944,745,885.44
  5. Step 5: Solve for x
    x = 17,944,745,885.44/132,589.55
  6. Step 6: Final answer
    x = 135,340.58

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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.