Home / 226,381.68-339,361.38-76,517.72

Finding the Fourth Proportional to 226,381.68, 339,361.38 and 76,517.72

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Solution

The fourth proportional to 226,381.68, 339,361.38 and 76,517.72 is: 114,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,381.68 : 339,361.38 = 76,517.72 : x
  2. Step 2: Convert to fraction form
    226,381.68/339,361.38 = 76,517.72/x
  3. Step 3: Cross multiply
    226,381.68x = 339,361.38 × 76,517.72
  4. Step 4: Simplify right side
    226,381.68x = 25,967,157,356.85
  5. Step 5: Solve for x
    x = 25,967,157,356.85/226,381.68
  6. Step 6: Final answer
    x = 114,705.21

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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.