Home / 154,631.92-231,933.24-49,422.64

Finding the Fourth Proportional to 154,631.92, 231,933.24 and 49,422.64

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Solution

The fourth proportional to 154,631.92, 231,933.24 and 49,422.64 is: 74,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,631.92 : 231,933.24 = 49,422.64 : x
  2. Step 2: Convert to fraction form
    154,631.92/231,933.24 = 49,422.64/x
  3. Step 3: Cross multiply
    154,631.92x = 231,933.24 × 49,422.64
  4. Step 4: Simplify right side
    154,631.92x = 11,462,753,024.55
  5. Step 5: Solve for x
    x = 11,462,753,024.55/154,631.92
  6. Step 6: Final answer
    x = 74,129.28

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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.