Home / 226,929.12-313,149.92-124,934.72

Finding the Fourth Proportional to 226,929.12, 313,149.92 and 124,934.72

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Solution

The fourth proportional to 226,929.12, 313,149.92 and 124,934.72 is: 172,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,929.12 : 313,149.92 = 124,934.72 : x
  2. Step 2: Convert to fraction form
    226,929.12/313,149.92 = 124,934.72/x
  3. Step 3: Cross multiply
    226,929.12x = 313,149.92 × 124,934.72
  4. Step 4: Simplify right side
    226,929.12x = 39,123,297,573.22
  5. Step 5: Solve for x
    x = 39,123,297,573.22/226,929.12
  6. Step 6: Final answer
    x = 172,403.16

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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.