Home / 179,180.10-268,781.90-66,857.54

Finding the Fourth Proportional to 179,180.10, 268,781.90 and 66,857.54

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Solution

The fourth proportional to 179,180.10, 268,781.90 and 66,857.54 is: 100,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,180.10 : 268,781.90 = 66,857.54 : x
  2. Step 2: Convert to fraction form
    179,180.10/268,781.90 = 66,857.54/x
  3. Step 3: Cross multiply
    179,180.10x = 268,781.90 × 66,857.54
  4. Step 4: Simplify right side
    179,180.10x = 17,970,094,952.33
  5. Step 5: Solve for x
    x = 17,970,094,952.33/179,180.10
  6. Step 6: Final answer
    x = 100,290.68

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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.