Home / 224,538.90-309,863.49-123,936.66

Finding the Fourth Proportional to 224,538.90, 309,863.49 and 123,936.66

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Solution

The fourth proportional to 224,538.90, 309,863.49 and 123,936.66 is: 171,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,538.90 : 309,863.49 = 123,936.66 : x
  2. Step 2: Convert to fraction form
    224,538.90/309,863.49 = 123,936.66/x
  3. Step 3: Cross multiply
    224,538.90x = 309,863.49 × 123,936.66
  4. Step 4: Simplify right side
    224,538.90x = 38,403,446,006.54
  5. Step 5: Solve for x
    x = 38,403,446,006.54/224,538.90
  6. Step 6: Final answer
    x = 171,032.48

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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.