Home / 128,301.40-192,474.18-44,057.56

Finding the Fourth Proportional to 128,301.40, 192,474.18 and 44,057.56

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Solution

The fourth proportional to 128,301.40, 192,474.18 and 44,057.56 is: 66,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,301.40 : 192,474.18 = 44,057.56 : x
  2. Step 2: Convert to fraction form
    128,301.40/192,474.18 = 44,057.56/x
  3. Step 3: Cross multiply
    128,301.40x = 192,474.18 × 44,057.56
  4. Step 4: Simplify right side
    128,301.40x = 8,479,942,733.80
  5. Step 5: Solve for x
    x = 8,479,942,733.80/128,301.40
  6. Step 6: Final answer
    x = 66,093.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.