Home / 204,542.15-282,307.61-124,013.78

Finding the Fourth Proportional to 204,542.15, 282,307.61 and 124,013.78

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Solution

The fourth proportional to 204,542.15, 282,307.61 and 124,013.78 is: 171,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,542.15 : 282,307.61 = 124,013.78 : x
  2. Step 2: Convert to fraction form
    204,542.15/282,307.61 = 124,013.78/x
  3. Step 3: Cross multiply
    204,542.15x = 282,307.61 × 124,013.78
  4. Step 4: Simplify right side
    204,542.15x = 35,010,033,218.80
  5. Step 5: Solve for x
    x = 35,010,033,218.80/204,542.15
  6. Step 6: Final answer
    x = 171,162.93

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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.