Home / 192,872.11-289,168.02-80,584.44

Finding the Fourth Proportional to 192,872.11, 289,168.02 and 80,584.44

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Solution

The fourth proportional to 192,872.11, 289,168.02 and 80,584.44 is: 120,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,872.11 : 289,168.02 = 80,584.44 : x
  2. Step 2: Convert to fraction form
    192,872.11/289,168.02 = 80,584.44/x
  3. Step 3: Cross multiply
    192,872.11x = 289,168.02 × 80,584.44
  4. Step 4: Simplify right side
    192,872.11x = 23,302,442,957.61
  5. Step 5: Solve for x
    x = 23,302,442,957.61/192,872.11
  6. Step 6: Final answer
    x = 120,818.11

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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.