Home / 422,195.11-633,286.98-102,349.73

Finding the Fourth Proportional to 422,195.11, 633,286.98 and 102,349.73

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Solution

The fourth proportional to 422,195.11, 633,286.98 and 102,349.73 is: 153,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,195.11 : 633,286.98 = 102,349.73 : x
  2. Step 2: Convert to fraction form
    422,195.11/633,286.98 = 102,349.73/x
  3. Step 3: Cross multiply
    422,195.11x = 633,286.98 × 102,349.73
  4. Step 4: Simplify right side
    422,195.11x = 64,816,752,998.73
  5. Step 5: Solve for x
    x = 64,816,752,998.73/422,195.11
  6. Step 6: Final answer
    x = 153,523.22

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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.