Home / 154,422.30-231,611.85-49,251.90

Finding the Fourth Proportional to 154,422.30, 231,611.85 and 49,251.90

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Solution

The fourth proportional to 154,422.30, 231,611.85 and 49,251.90 is: 73,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,422.30 : 231,611.85 = 49,251.90 : x
  2. Step 2: Convert to fraction form
    154,422.30/231,611.85 = 49,251.90/x
  3. Step 3: Cross multiply
    154,422.30x = 231,611.85 × 49,251.90
  4. Step 4: Simplify right side
    154,422.30x = 11,407,323,675.02
  5. Step 5: Solve for x
    x = 11,407,323,675.02/154,422.30
  6. Step 6: Final answer
    x = 73,870.96

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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.