Home / 154,330.60-231,512.50-49,124.96

Finding the Fourth Proportional to 154,330.60, 231,512.50 and 49,124.96

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Solution

The fourth proportional to 154,330.60, 231,512.50 and 49,124.96 is: 73,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,330.60 : 231,512.50 = 49,124.96 : x
  2. Step 2: Convert to fraction form
    154,330.60/231,512.50 = 49,124.96/x
  3. Step 3: Cross multiply
    154,330.60x = 231,512.50 × 49,124.96
  4. Step 4: Simplify right side
    154,330.60x = 11,373,042,302
  5. Step 5: Solve for x
    x = 11,373,042,302/154,330.60
  6. Step 6: Final answer
    x = 73,692.72

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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.