Home / 120,568.68-166,383.96-66,853.74

Finding the Fourth Proportional to 120,568.68, 166,383.96 and 66,853.74

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Solution

The fourth proportional to 120,568.68, 166,383.96 and 66,853.74 is: 92,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,568.68 : 166,383.96 = 66,853.74 : x
  2. Step 2: Convert to fraction form
    120,568.68/166,383.96 = 66,853.74/x
  3. Step 3: Cross multiply
    120,568.68x = 166,383.96 × 66,853.74
  4. Step 4: Simplify right side
    120,568.68x = 11,123,390,002.01
  5. Step 5: Solve for x
    x = 11,123,390,002.01/120,568.68
  6. Step 6: Final answer
    x = 92,257.71

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1.5x scale

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.