Home / 120,568.06-166,393.32-66,863.57

Finding the Fourth Proportional to 120,568.06, 166,393.32 and 66,863.57

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Solution

The fourth proportional to 120,568.06, 166,393.32 and 66,863.57 is: 92,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,568.06 : 166,393.32 = 66,863.57 : x
  2. Step 2: Convert to fraction form
    120,568.06/166,393.32 = 66,863.57/x
  3. Step 3: Cross multiply
    120,568.06x = 166,393.32 × 66,863.57
  4. Step 4: Simplify right side
    120,568.06x = 11,125,651,399.35
  5. Step 5: Solve for x
    x = 11,125,651,399.35/120,568.06
  6. Step 6: Final answer
    x = 92,276.94

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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.