Home / 179,500.80-269,251.20-74,291.52

Finding the Fourth Proportional to 179,500.80, 269,251.20 and 74,291.52

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Solution

The fourth proportional to 179,500.80, 269,251.20 and 74,291.52 is: 111,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,500.80 : 269,251.20 = 74,291.52 : x
  2. Step 2: Convert to fraction form
    179,500.80/269,251.20 = 74,291.52/x
  3. Step 3: Cross multiply
    179,500.80x = 269,251.20 × 74,291.52
  4. Step 4: Simplify right side
    179,500.80x = 20,003,080,909.82
  5. Step 5: Solve for x
    x = 20,003,080,909.82/179,500.80
  6. Step 6: Final answer
    x = 111,437.28

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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.