Home / 165,649.12-228,537.48-108,321.97

Finding the Fourth Proportional to 165,649.12, 228,537.48 and 108,321.97

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Solution

The fourth proportional to 165,649.12, 228,537.48 and 108,321.97 is: 149,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,649.12 : 228,537.48 = 108,321.97 : x
  2. Step 2: Convert to fraction form
    165,649.12/228,537.48 = 108,321.97/x
  3. Step 3: Cross multiply
    165,649.12x = 228,537.48 × 108,321.97
  4. Step 4: Simplify right side
    165,649.12x = 24,755,630,052.44
  5. Step 5: Solve for x
    x = 24,755,630,052.44/165,649.12
  6. Step 6: Final answer
    x = 149,446.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.