Home / 132,423.10-198,719.70-73,301.20

Finding the Fourth Proportional to 132,423.10, 198,719.70 and 73,301.20

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Solution

The fourth proportional to 132,423.10, 198,719.70 and 73,301.20 is: 109,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,423.10 : 198,719.70 = 73,301.20 : x
  2. Step 2: Convert to fraction form
    132,423.10/198,719.70 = 73,301.20/x
  3. Step 3: Cross multiply
    132,423.10x = 198,719.70 × 73,301.20
  4. Step 4: Simplify right side
    132,423.10x = 14,566,392,473.64
  5. Step 5: Solve for x
    x = 14,566,392,473.64/132,423.10
  6. Step 6: Final answer
    x = 109,998.88

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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.