Home / 225,890.62-338,766.82-76,090.73

Finding the Fourth Proportional to 225,890.62, 338,766.82 and 76,090.73

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Solution

The fourth proportional to 225,890.62, 338,766.82 and 76,090.73 is: 114,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,890.62 : 338,766.82 = 76,090.73 : x
  2. Step 2: Convert to fraction form
    225,890.62/338,766.82 = 76,090.73/x
  3. Step 3: Cross multiply
    225,890.62x = 338,766.82 × 76,090.73
  4. Step 4: Simplify right side
    225,890.62x = 25,777,015,290.27
  5. Step 5: Solve for x
    x = 25,777,015,290.27/225,890.62
  6. Step 6: Final answer
    x = 114,112.82

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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.