Home / 120,942.24-166,913.86-67,232.38

Finding the Fourth Proportional to 120,942.24, 166,913.86 and 67,232.38

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Solution

The fourth proportional to 120,942.24, 166,913.86 and 67,232.38 is: 92,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,942.24 : 166,913.86 = 67,232.38 : x
  2. Step 2: Convert to fraction form
    120,942.24/166,913.86 = 67,232.38/x
  3. Step 3: Cross multiply
    120,942.24x = 166,913.86 × 67,232.38
  4. Step 4: Simplify right side
    120,942.24x = 11,222,016,062.79
  5. Step 5: Solve for x
    x = 11,222,016,062.79/120,942.24
  6. Step 6: Final answer
    x = 92,788.23

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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.