Home / 120,832.64-166,754.60-67,117.88

Finding the Fourth Proportional to 120,832.64, 166,754.60 and 67,117.88

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Solution

The fourth proportional to 120,832.64, 166,754.60 and 67,117.88 is: 92,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,832.64 : 166,754.60 = 67,117.88 : x
  2. Step 2: Convert to fraction form
    120,832.64/166,754.60 = 67,117.88/x
  3. Step 3: Cross multiply
    120,832.64x = 166,754.60 × 67,117.88
  4. Step 4: Simplify right side
    120,832.64x = 11,192,215,232.25
  5. Step 5: Solve for x
    x = 11,192,215,232.25/120,832.64
  6. Step 6: Final answer
    x = 92,625.76

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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.