Home / 120,451.52-166,224.42-66,737.38

Finding the Fourth Proportional to 120,451.52, 166,224.42 and 66,737.38

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Solution

The fourth proportional to 120,451.52, 166,224.42 and 66,737.38 is: 92,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,451.52 : 166,224.42 = 66,737.38 : x
  2. Step 2: Convert to fraction form
    120,451.52/166,224.42 = 66,737.38/x
  3. Step 3: Cross multiply
    120,451.52x = 166,224.42 × 66,737.38
  4. Step 4: Simplify right side
    120,451.52x = 11,093,382,282.82
  5. Step 5: Solve for x
    x = 11,093,382,282.82/120,451.52
  6. Step 6: Final answer
    x = 92,098.32

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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.