Home / 165,566.56-228,481.68-90,114.88

Finding the Fourth Proportional to 165,566.56, 228,481.68 and 90,114.88

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Solution

The fourth proportional to 165,566.56, 228,481.68 and 90,114.88 is: 124,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,566.56 : 228,481.68 = 90,114.88 : x
  2. Step 2: Convert to fraction form
    165,566.56/228,481.68 = 90,114.88/x
  3. Step 3: Cross multiply
    165,566.56x = 228,481.68 × 90,114.88
  4. Step 4: Simplify right side
    165,566.56x = 20,589,599,175.40
  5. Step 5: Solve for x
    x = 20,589,599,175.40/165,566.56
  6. Step 6: Final answer
    x = 124,358.44

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1.5x scale

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.