Home / 120,650.06-166,517.07-66,952.32

Finding the Fourth Proportional to 120,650.06, 166,517.07 and 66,952.32

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Solution

The fourth proportional to 120,650.06, 166,517.07 and 66,952.32 is: 92,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,650.06 : 166,517.07 = 66,952.32 : x
  2. Step 2: Convert to fraction form
    120,650.06/166,517.07 = 66,952.32/x
  3. Step 3: Cross multiply
    120,650.06x = 166,517.07 × 66,952.32
  4. Step 4: Simplify right side
    120,650.06x = 11,148,704,029.49
  5. Step 5: Solve for x
    x = 11,148,704,029.49/120,650.06
  6. Step 6: Final answer
    x = 92,405.29

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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.