Home / 204,865.56-282,691.65-124,312.68

Finding the Fourth Proportional to 204,865.56, 282,691.65 and 124,312.68

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Solution

The fourth proportional to 204,865.56, 282,691.65 and 124,312.68 is: 171,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,865.56 : 282,691.65 = 124,312.68 : x
  2. Step 2: Convert to fraction form
    204,865.56/282,691.65 = 124,312.68/x
  3. Step 3: Cross multiply
    204,865.56x = 282,691.65 × 124,312.68
  4. Step 4: Simplify right side
    204,865.56x = 35,142,156,625.12
  5. Step 5: Solve for x
    x = 35,142,156,625.12/204,865.56
  6. Step 6: Final answer
    x = 171,537.65

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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.