Home / 226,679.31-339,945.48-74,842.25

Finding the Fourth Proportional to 226,679.31, 339,945.48 and 74,842.25

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Solution

The fourth proportional to 226,679.31, 339,945.48 and 74,842.25 is: 112,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,679.31 : 339,945.48 = 74,842.25 : x
  2. Step 2: Convert to fraction form
    226,679.31/339,945.48 = 74,842.25/x
  3. Step 3: Cross multiply
    226,679.31x = 339,945.48 × 74,842.25
  4. Step 4: Simplify right side
    226,679.31x = 25,442,282,900.80
  5. Step 5: Solve for x
    x = 25,442,282,900.80/226,679.31
  6. Step 6: Final answer
    x = 112,239.11

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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.