Home / 165,648.12-228,536.10-108,320.97

Finding the Fourth Proportional to 165,648.12, 228,536.10 and 108,320.97

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Solution

The fourth proportional to 165,648.12, 228,536.10 and 108,320.97 is: 149,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,648.12 : 228,536.10 = 108,320.97 : x
  2. Step 2: Convert to fraction form
    165,648.12/228,536.10 = 108,320.97/x
  3. Step 3: Cross multiply
    165,648.12x = 228,536.10 × 108,320.97
  4. Step 4: Simplify right side
    165,648.12x = 24,755,252,032.02
  5. Step 5: Solve for x
    x = 24,755,252,032.02/165,648.12
  6. Step 6: Final answer
    x = 149,444.81

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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.