Home / 181,481.22-272,221.83-74,863.62

Finding the Fourth Proportional to 181,481.22, 272,221.83 and 74,863.62

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Solution

The fourth proportional to 181,481.22, 272,221.83 and 74,863.62 is: 112,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,481.22 : 272,221.83 = 74,863.62 : x
  2. Step 2: Convert to fraction form
    181,481.22/272,221.83 = 74,863.62/x
  3. Step 3: Cross multiply
    181,481.22x = 272,221.83 × 74,863.62
  4. Step 4: Simplify right side
    181,481.22x = 20,379,511,636.82
  5. Step 5: Solve for x
    x = 20,379,511,636.82/181,481.22
  6. Step 6: Final answer
    x = 112,295.43

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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.