Home / 179,129.04-268,651.56-79,234.80

Finding the Fourth Proportional to 179,129.04, 268,651.56 and 79,234.80

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Solution

The fourth proportional to 179,129.04, 268,651.56 and 79,234.80 is: 118,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,129.04 : 268,651.56 = 79,234.80 : x
  2. Step 2: Convert to fraction form
    179,129.04/268,651.56 = 79,234.80/x
  3. Step 3: Cross multiply
    179,129.04x = 268,651.56 × 79,234.80
  4. Step 4: Simplify right side
    179,129.04x = 21,286,552,626.29
  5. Step 5: Solve for x
    x = 21,286,552,626.29/179,129.04
  6. Step 6: Final answer
    x = 118,833.62

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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.