Home / 179,793.80-269,723.10-74,623.40

Finding the Fourth Proportional to 179,793.80, 269,723.10 and 74,623.40

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Solution

The fourth proportional to 179,793.80, 269,723.10 and 74,623.40 is: 111,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.80 : 269,723.10 = 74,623.40 : x
  2. Step 2: Convert to fraction form
    179,793.80/269,723.10 = 74,623.40/x
  3. Step 3: Cross multiply
    179,793.80x = 269,723.10 × 74,623.40
  4. Step 4: Simplify right side
    179,793.80x = 20,127,654,780.54
  5. Step 5: Solve for x
    x = 20,127,654,780.54/179,793.80
  6. Step 6: Final answer
    x = 111,948.55

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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.