Home / 148,979.90-223,141.80-132,358.70

Finding the Fourth Proportional to 148,979.90, 223,141.80 and 132,358.70

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Solution

The fourth proportional to 148,979.90, 223,141.80 and 132,358.70 is: 198,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,979.90 : 223,141.80 = 132,358.70 : x
  2. Step 2: Convert to fraction form
    148,979.90/223,141.80 = 132,358.70/x
  3. Step 3: Cross multiply
    148,979.90x = 223,141.80 × 132,358.70
  4. Step 4: Simplify right side
    148,979.90x = 29,534,758,563.66
  5. Step 5: Solve for x
    x = 29,534,758,563.66/148,979.90
  6. Step 6: Final answer
    x = 198,246.60

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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.