Home / 179,105.60-269,241.60-126,876.80

Finding the Fourth Proportional to 179,105.60, 269,241.60 and 126,876.80

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Solution

The fourth proportional to 179,105.60, 269,241.60 and 126,876.80 is: 190,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,105.60 : 269,241.60 = 126,876.80 : x
  2. Step 2: Convert to fraction form
    179,105.60/269,241.60 = 126,876.80/x
  3. Step 3: Cross multiply
    179,105.60x = 269,241.60 × 126,876.80
  4. Step 4: Simplify right side
    179,105.60x = 34,160,512,634.88
  5. Step 5: Solve for x
    x = 34,160,512,634.88/179,105.60
  6. Step 6: Final answer
    x = 190,728.33

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1.5x scale

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.