Home / 154,791.12-232,186.68-123,823.20

Finding the Fourth Proportional to 154,791.12, 232,186.68 and 123,823.20

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Solution

The fourth proportional to 154,791.12, 232,186.68 and 123,823.20 is: 185,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,791.12 : 232,186.68 = 123,823.20 : x
  2. Step 2: Convert to fraction form
    154,791.12/232,186.68 = 123,823.20/x
  3. Step 3: Cross multiply
    154,791.12x = 232,186.68 × 123,823.20
  4. Step 4: Simplify right side
    154,791.12x = 28,750,097,714.98
  5. Step 5: Solve for x
    x = 28,750,097,714.98/154,791.12
  6. Step 6: Final answer
    x = 185,734.80

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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.