Home / 327,517.67-491,110.32-149,872.45

Finding the Fourth Proportional to 327,517.67, 491,110.32 and 149,872.45

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Solution

The fourth proportional to 327,517.67, 491,110.32 and 149,872.45 is: 224,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,517.67 : 491,110.32 = 149,872.45 : x
  2. Step 2: Convert to fraction form
    327,517.67/491,110.32 = 149,872.45/x
  3. Step 3: Cross multiply
    327,517.67x = 491,110.32 × 149,872.45
  4. Step 4: Simplify right side
    327,517.67x = 73,603,906,878.68
  5. Step 5: Solve for x
    x = 73,603,906,878.68/327,517.67
  6. Step 6: Final answer
    x = 224,732.63

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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.