Home / 120,474.41-166,258.31-66,754.37

Finding the Fourth Proportional to 120,474.41, 166,258.31 and 66,754.37

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Solution

The fourth proportional to 120,474.41, 166,258.31 and 66,754.37 is: 92,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,474.41 : 166,258.31 = 66,754.37 : x
  2. Step 2: Convert to fraction form
    120,474.41/166,258.31 = 66,754.37/x
  3. Step 3: Cross multiply
    120,474.41x = 166,258.31 × 66,754.37
  4. Step 4: Simplify right side
    120,474.41x = 11,098,468,076.91
  5. Step 5: Solve for x
    x = 11,098,468,076.91/120,474.41
  6. Step 6: Final answer
    x = 92,123.04

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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.