Home / 154,474.38-231,736.57-47,833.28

Finding the Fourth Proportional to 154,474.38, 231,736.57 and 47,833.28

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Solution

The fourth proportional to 154,474.38, 231,736.57 and 47,833.28 is: 71,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,474.38 : 231,736.57 = 47,833.28 : x
  2. Step 2: Convert to fraction form
    154,474.38/231,736.57 = 47,833.28/x
  3. Step 3: Cross multiply
    154,474.38x = 231,736.57 × 47,833.28
  4. Step 4: Simplify right side
    154,474.38x = 11,084,719,199.95
  5. Step 5: Solve for x
    x = 11,084,719,199.95/154,474.38
  6. Step 6: Final answer
    x = 71,757.65

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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.