Home / 148,979.40-223,141.05-132,358.20

Finding the Fourth Proportional to 148,979.40, 223,141.05 and 132,358.20

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Solution

The fourth proportional to 148,979.40, 223,141.05 and 132,358.20 is: 198,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,979.40 : 223,141.05 = 132,358.20 : x
  2. Step 2: Convert to fraction form
    148,979.40/223,141.05 = 132,358.20/x
  3. Step 3: Cross multiply
    148,979.40x = 223,141.05 × 132,358.20
  4. Step 4: Simplify right side
    148,979.40x = 29,534,547,724.11
  5. Step 5: Solve for x
    x = 29,534,547,724.11/148,979.40
  6. Step 6: Final answer
    x = 198,245.85

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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.