Home / 117,141.20-161,654.17-63,425.11

Finding the Fourth Proportional to 117,141.20, 161,654.17 and 63,425.11

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Solution

The fourth proportional to 117,141.20, 161,654.17 and 63,425.11 is: 87,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,141.20 : 161,654.17 = 63,425.11 : x
  2. Step 2: Convert to fraction form
    117,141.20/161,654.17 = 63,425.11/x
  3. Step 3: Cross multiply
    117,141.20x = 161,654.17 × 63,425.11
  4. Step 4: Simplify right side
    117,141.20x = 10,252,933,514.21
  5. Step 5: Solve for x
    x = 10,252,933,514.21/117,141.20
  6. Step 6: Final answer
    x = 87,526.28

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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.