Home / 179,310.70-268,841.21-79,416.74

Finding the Fourth Proportional to 179,310.70, 268,841.21 and 79,416.74

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Solution

The fourth proportional to 179,310.70, 268,841.21 and 79,416.74 is: 119,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,310.70 : 268,841.21 = 79,416.74 : x
  2. Step 2: Convert to fraction form
    179,310.70/268,841.21 = 79,416.74/x
  3. Step 3: Cross multiply
    179,310.70x = 268,841.21 × 79,416.74
  4. Step 4: Simplify right side
    179,310.70x = 21,350,493,470.38
  5. Step 5: Solve for x
    x = 21,350,493,470.38/179,310.70
  6. Step 6: Final answer
    x = 119,069.82

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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.