Home / 205,654.89-283,835.85-125,107.68

Finding the Fourth Proportional to 205,654.89, 283,835.85 and 125,107.68

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Solution

The fourth proportional to 205,654.89, 283,835.85 and 125,107.68 is: 172,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,654.89 : 283,835.85 = 125,107.68 : x
  2. Step 2: Convert to fraction form
    205,654.89/283,835.85 = 125,107.68/x
  3. Step 3: Cross multiply
    205,654.89x = 283,835.85 × 125,107.68
  4. Step 4: Simplify right side
    205,654.89x = 35,510,044,694.33
  5. Step 5: Solve for x
    x = 35,510,044,694.33/205,654.89
  6. Step 6: Final answer
    x = 172,668.13

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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.