Home / 153,329.76-229,508.64-111,067.20

Finding the Fourth Proportional to 153,329.76, 229,508.64 and 111,067.20

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Solution

The fourth proportional to 153,329.76, 229,508.64 and 111,067.20 is: 166,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,329.76 : 229,508.64 = 111,067.20 : x
  2. Step 2: Convert to fraction form
    153,329.76/229,508.64 = 111,067.20/x
  3. Step 3: Cross multiply
    153,329.76x = 229,508.64 × 111,067.20
  4. Step 4: Simplify right side
    153,329.76x = 25,490,882,020.61
  5. Step 5: Solve for x
    x = 25,490,882,020.61/153,329.76
  6. Step 6: Final answer
    x = 166,248.76

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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.