Home / 226,915.72-313,141.10-124,939.05

Finding the Fourth Proportional to 226,915.72, 313,141.10 and 124,939.05

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Solution

The fourth proportional to 226,915.72, 313,141.10 and 124,939.05 is: 172,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,915.72 : 313,141.10 = 124,939.05 : x
  2. Step 2: Convert to fraction form
    226,915.72/313,141.10 = 124,939.05/x
  3. Step 3: Cross multiply
    226,915.72x = 313,141.10 × 124,939.05
  4. Step 4: Simplify right side
    226,915.72x = 39,123,551,862.30
  5. Step 5: Solve for x
    x = 39,123,551,862.30/226,915.72
  6. Step 6: Final answer
    x = 172,414.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.