Home / 120,816.28-166,727.52-67,102.24

Finding the Fourth Proportional to 120,816.28, 166,727.52 and 67,102.24

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Solution

The fourth proportional to 120,816.28, 166,727.52 and 67,102.24 is: 92,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,816.28 : 166,727.52 = 67,102.24 : x
  2. Step 2: Convert to fraction form
    120,816.28/166,727.52 = 67,102.24/x
  3. Step 3: Cross multiply
    120,816.28x = 166,727.52 × 67,102.24
  4. Step 4: Simplify right side
    120,816.28x = 11,187,790,061.64
  5. Step 5: Solve for x
    x = 11,187,790,061.64/120,816.28
  6. Step 6: Final answer
    x = 92,601.68

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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.