Home / 167,731.88-251,414.82-82,401.47

Finding the Fourth Proportional to 167,731.88, 251,414.82 and 82,401.47

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Solution

The fourth proportional to 167,731.88, 251,414.82 and 82,401.47 is: 123,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,731.88 : 251,414.82 = 82,401.47 : x
  2. Step 2: Convert to fraction form
    167,731.88/251,414.82 = 82,401.47/x
  3. Step 3: Cross multiply
    167,731.88x = 251,414.82 × 82,401.47
  4. Step 4: Simplify right side
    167,731.88x = 20,716,949,490.71
  5. Step 5: Solve for x
    x = 20,716,949,490.71/167,731.88
  6. Step 6: Final answer
    x = 123,512.30

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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.