Home / 117,956.20-176,819.10-105,514.60

Finding the Fourth Proportional to 117,956.20, 176,819.10 and 105,514.60

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Solution

The fourth proportional to 117,956.20, 176,819.10 and 105,514.60 is: 158,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,956.20 : 176,819.10 = 105,514.60 : x
  2. Step 2: Convert to fraction form
    117,956.20/176,819.10 = 105,514.60/x
  3. Step 3: Cross multiply
    117,956.20x = 176,819.10 × 105,514.60
  4. Step 4: Simplify right side
    117,956.20x = 18,656,996,608.86
  5. Step 5: Solve for x
    x = 18,656,996,608.86/117,956.20
  6. Step 6: Final answer
    x = 158,168.85

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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.