Home / 117,244.20-161,796.31-66,273.44

Finding the Fourth Proportional to 117,244.20, 161,796.31 and 66,273.44

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Solution

The fourth proportional to 117,244.20, 161,796.31 and 66,273.44 is: 91,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,244.20 : 161,796.31 = 66,273.44 : x
  2. Step 2: Convert to fraction form
    117,244.20/161,796.31 = 66,273.44/x
  3. Step 3: Cross multiply
    117,244.20x = 161,796.31 × 66,273.44
  4. Step 4: Simplify right side
    117,244.20x = 10,722,797,068.34
  5. Step 5: Solve for x
    x = 10,722,797,068.34/117,244.20
  6. Step 6: Final answer
    x = 91,456.95

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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.