Home / 120,569.44-166,383-66,853.96

Finding the Fourth Proportional to 120,569.44, 166,383 and 66,853.96

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Solution

The fourth proportional to 120,569.44, 166,383 and 66,853.96 is: 92,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,569.44 : 166,383 = 66,853.96 : x
  2. Step 2: Convert to fraction form
    120,569.44/166,383 = 66,853.96/x
  3. Step 3: Cross multiply
    120,569.44x = 166,383 × 66,853.96
  4. Step 4: Simplify right side
    120,569.44x = 11,123,362,426.68
  5. Step 5: Solve for x
    x = 11,123,362,426.68/120,569.44
  6. Step 6: Final answer
    x = 92,256.90

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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.