Home / 192,935.52-289,474.20-80,627.04

Finding the Fourth Proportional to 192,935.52, 289,474.20 and 80,627.04

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Solution

The fourth proportional to 192,935.52, 289,474.20 and 80,627.04 is: 120,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,935.52 : 289,474.20 = 80,627.04 : x
  2. Step 2: Convert to fraction form
    192,935.52/289,474.20 = 80,627.04/x
  3. Step 3: Cross multiply
    192,935.52x = 289,474.20 × 80,627.04
  4. Step 4: Simplify right side
    192,935.52x = 23,339,447,902.37
  5. Step 5: Solve for x
    x = 23,339,447,902.37/192,935.52
  6. Step 6: Final answer
    x = 120,970.20

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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.