Home / 120,626.14-166,463.46-66,910.60

Finding the Fourth Proportional to 120,626.14, 166,463.46 and 66,910.60

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Solution

The fourth proportional to 120,626.14, 166,463.46 and 66,910.60 is: 92,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,626.14 : 166,463.46 = 66,910.60 : x
  2. Step 2: Convert to fraction form
    120,626.14/166,463.46 = 66,910.60/x
  3. Step 3: Cross multiply
    120,626.14x = 166,463.46 × 66,910.60
  4. Step 4: Simplify right side
    120,626.14x = 11,138,169,986.68
  5. Step 5: Solve for x
    x = 11,138,169,986.68/120,626.14
  6. Step 6: Final answer
    x = 92,336.29

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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.