Home / 179,815.05-269,508.07-83,622.42

Finding the Fourth Proportional to 179,815.05, 269,508.07 and 83,622.42

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Solution

The fourth proportional to 179,815.05, 269,508.07 and 83,622.42 is: 125,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,815.05 : 269,508.07 = 83,622.42 : x
  2. Step 2: Convert to fraction form
    179,815.05/269,508.07 = 83,622.42/x
  3. Step 3: Cross multiply
    179,815.05x = 269,508.07 × 83,622.42
  4. Step 4: Simplify right side
    179,815.05x = 22,536,917,022.93
  5. Step 5: Solve for x
    x = 22,536,917,022.93/179,815.05
  6. Step 6: Final answer
    x = 125,333.88

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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.