Home / 154,382.62-231,569.61-49,207.90

Finding the Fourth Proportional to 154,382.62, 231,569.61 and 49,207.90

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Solution

The fourth proportional to 154,382.62, 231,569.61 and 49,207.90 is: 73,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,382.62 : 231,569.61 = 49,207.90 : x
  2. Step 2: Convert to fraction form
    154,382.62/231,569.61 = 49,207.90/x
  3. Step 3: Cross multiply
    154,382.62x = 231,569.61 × 49,207.90
  4. Step 4: Simplify right side
    154,382.62x = 11,395,054,211.92
  5. Step 5: Solve for x
    x = 11,395,054,211.92/154,382.62
  6. Step 6: Final answer
    x = 73,810.47

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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.