Home / 118,250.27-177,481.78-80,207.54

Finding the Fourth Proportional to 118,250.27, 177,481.78 and 80,207.54

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Solution

The fourth proportional to 118,250.27, 177,481.78 and 80,207.54 is: 120,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,250.27 : 177,481.78 = 80,207.54 : x
  2. Step 2: Convert to fraction form
    118,250.27/177,481.78 = 80,207.54/x
  3. Step 3: Cross multiply
    118,250.27x = 177,481.78 × 80,207.54
  4. Step 4: Simplify right side
    118,250.27x = 14,235,376,968.62
  5. Step 5: Solve for x
    x = 14,235,376,968.62/118,250.27
  6. Step 6: Final answer
    x = 120,383.46

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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.