Home / 192,584.01-288,876.13-72,608.38

Finding the Fourth Proportional to 192,584.01, 288,876.13 and 72,608.38

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Solution

The fourth proportional to 192,584.01, 288,876.13 and 72,608.38 is: 108,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,584.01 : 288,876.13 = 72,608.38 : x
  2. Step 2: Convert to fraction form
    192,584.01/288,876.13 = 72,608.38/x
  3. Step 3: Cross multiply
    192,584.01x = 288,876.13 × 72,608.38
  4. Step 4: Simplify right side
    192,584.01x = 20,974,827,097.78
  5. Step 5: Solve for x
    x = 20,974,827,097.78/192,584.01
  6. Step 6: Final answer
    x = 108,912.61

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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.