Home / 179,423.11-268,949.97-79,630.30

Finding the Fourth Proportional to 179,423.11, 268,949.97 and 79,630.30

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Solution

The fourth proportional to 179,423.11, 268,949.97 and 79,630.30 is: 119,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,423.11 : 268,949.97 = 79,630.30 : x
  2. Step 2: Convert to fraction form
    179,423.11/268,949.97 = 79,630.30/x
  3. Step 3: Cross multiply
    179,423.11x = 268,949.97 × 79,630.30
  4. Step 4: Simplify right side
    179,423.11x = 21,416,566,796.09
  5. Step 5: Solve for x
    x = 21,416,566,796.09/179,423.11
  6. Step 6: Final answer
    x = 119,363.48

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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.