Home / 231,974.40-347,956.56-74,202.38

Finding the Fourth Proportional to 231,974.40, 347,956.56 and 74,202.38

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Solution

The fourth proportional to 231,974.40, 347,956.56 and 74,202.38 is: 111,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,974.40 : 347,956.56 = 74,202.38 : x
  2. Step 2: Convert to fraction form
    231,974.40/347,956.56 = 74,202.38/x
  3. Step 3: Cross multiply
    231,974.40x = 347,956.56 × 74,202.38
  4. Step 4: Simplify right side
    231,974.40x = 25,819,204,888.61
  5. Step 5: Solve for x
    x = 25,819,204,888.61/231,974.40
  6. Step 6: Final answer
    x = 111,301.96

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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.