Home / 147,524.44-221,385.08-76,512.55

Finding the Fourth Proportional to 147,524.44, 221,385.08 and 76,512.55

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Solution

The fourth proportional to 147,524.44, 221,385.08 and 76,512.55 is: 114,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,524.44 : 221,385.08 = 76,512.55 : x
  2. Step 2: Convert to fraction form
    147,524.44/221,385.08 = 76,512.55/x
  3. Step 3: Cross multiply
    147,524.44x = 221,385.08 × 76,512.55
  4. Step 4: Simplify right side
    147,524.44x = 16,938,737,002.75
  5. Step 5: Solve for x
    x = 16,938,737,002.75/147,524.44
  6. Step 6: Final answer
    x = 114,819.87

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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.