Home / 148,664.40-222,694.20-92,331.60

Finding the Fourth Proportional to 148,664.40, 222,694.20 and 92,331.60

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Solution

The fourth proportional to 148,664.40, 222,694.20 and 92,331.60 is: 138,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,664.40 : 222,694.20 = 92,331.60 : x
  2. Step 2: Convert to fraction form
    148,664.40/222,694.20 = 92,331.60/x
  3. Step 3: Cross multiply
    148,664.40x = 222,694.20 × 92,331.60
  4. Step 4: Simplify right side
    148,664.40x = 20,561,711,796.72
  5. Step 5: Solve for x
    x = 20,561,711,796.72/148,664.40
  6. Step 6: Final answer
    x = 138,309.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.