Home / 165,815.24-228,760.08-102,042.32

Finding the Fourth Proportional to 165,815.24, 228,760.08 and 102,042.32

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Solution

The fourth proportional to 165,815.24, 228,760.08 and 102,042.32 is: 140,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,815.24 : 228,760.08 = 102,042.32 : x
  2. Step 2: Convert to fraction form
    165,815.24/228,760.08 = 102,042.32/x
  3. Step 3: Cross multiply
    165,815.24x = 228,760.08 × 102,042.32
  4. Step 4: Simplify right side
    165,815.24x = 23,343,209,286.59
  5. Step 5: Solve for x
    x = 23,343,209,286.59/165,815.24
  6. Step 6: Final answer
    x = 140,778.43

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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.