Home / 179,108.60-269,246.10-126,879.80

Finding the Fourth Proportional to 179,108.60, 269,246.10 and 126,879.80

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Solution

The fourth proportional to 179,108.60, 269,246.10 and 126,879.80 is: 190,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,108.60 : 269,246.10 = 126,879.80 : x
  2. Step 2: Convert to fraction form
    179,108.60/269,246.10 = 126,879.80/x
  3. Step 3: Cross multiply
    179,108.60x = 269,246.10 × 126,879.80
  4. Step 4: Simplify right side
    179,108.60x = 34,161,891,318.78
  5. Step 5: Solve for x
    x = 34,161,891,318.78/179,108.60
  6. Step 6: Final answer
    x = 190,732.84

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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.