Home / 165,734.22-228,714.72-100,324.55

Finding the Fourth Proportional to 165,734.22, 228,714.72 and 100,324.55

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Solution

The fourth proportional to 165,734.22, 228,714.72 and 100,324.55 is: 138,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,734.22 : 228,714.72 = 100,324.55 : x
  2. Step 2: Convert to fraction form
    165,734.22/228,714.72 = 100,324.55/x
  3. Step 3: Cross multiply
    165,734.22x = 228,714.72 × 100,324.55
  4. Step 4: Simplify right side
    165,734.22x = 22,945,700,595.02
  5. Step 5: Solve for x
    x = 22,945,700,595.02/165,734.22
  6. Step 6: Final answer
    x = 138,448.78

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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.