Home / 192,816.45-289,177.49-80,497.60

Finding the Fourth Proportional to 192,816.45, 289,177.49 and 80,497.60

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Solution

The fourth proportional to 192,816.45, 289,177.49 and 80,497.60 is: 120,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,816.45 : 289,177.49 = 80,497.60 : x
  2. Step 2: Convert to fraction form
    192,816.45/289,177.49 = 80,497.60/x
  3. Step 3: Cross multiply
    192,816.45x = 289,177.49 × 80,497.60
  4. Step 4: Simplify right side
    192,816.45x = 23,278,093,397.32
  5. Step 5: Solve for x
    x = 23,278,093,397.32/192,816.45
  6. Step 6: Final answer
    x = 120,726.70

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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.