Home / 445,330.33-667,996.85-108,371.04

Finding the Fourth Proportional to 445,330.33, 667,996.85 and 108,371.04

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Solution

The fourth proportional to 445,330.33, 667,996.85 and 108,371.04 is: 162,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,330.33 : 667,996.85 = 108,371.04 : x
  2. Step 2: Convert to fraction form
    445,330.33/667,996.85 = 108,371.04/x
  3. Step 3: Cross multiply
    445,330.33x = 667,996.85 × 108,371.04
  4. Step 4: Simplify right side
    445,330.33x = 72,391,512,809.37
  5. Step 5: Solve for x
    x = 72,391,512,809.37/445,330.33
  6. Step 6: Final answer
    x = 162,556.89

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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.