Home / 154,562.10-231,843.15-115,196.10

Finding the Fourth Proportional to 154,562.10, 231,843.15 and 115,196.10

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Solution

The fourth proportional to 154,562.10, 231,843.15 and 115,196.10 is: 172,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,562.10 : 231,843.15 = 115,196.10 : x
  2. Step 2: Convert to fraction form
    154,562.10/231,843.15 = 115,196.10/x
  3. Step 3: Cross multiply
    154,562.10x = 231,843.15 × 115,196.10
  4. Step 4: Simplify right side
    154,562.10x = 26,707,426,691.72
  5. Step 5: Solve for x
    x = 26,707,426,691.72/154,562.10
  6. Step 6: Final answer
    x = 172,794.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.