Home / 165,760.80-228,729.60-112,162.56

Finding the Fourth Proportional to 165,760.80, 228,729.60 and 112,162.56

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Solution

The fourth proportional to 165,760.80, 228,729.60 and 112,162.56 is: 154,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,760.80 : 228,729.60 = 112,162.56 : x
  2. Step 2: Convert to fraction form
    165,760.80/228,729.60 = 112,162.56/x
  3. Step 3: Cross multiply
    165,760.80x = 228,729.60 × 112,162.56
  4. Step 4: Simplify right side
    165,760.80x = 25,654,897,483.78
  5. Step 5: Solve for x
    x = 25,654,897,483.78/165,760.80
  6. Step 6: Final answer
    x = 154,770.59

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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.