Home / 192,141.88-288,212.19-51,900.55

Finding the Fourth Proportional to 192,141.88, 288,212.19 and 51,900.55

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Solution

The fourth proportional to 192,141.88, 288,212.19 and 51,900.55 is: 77,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,141.88 : 288,212.19 = 51,900.55 : x
  2. Step 2: Convert to fraction form
    192,141.88/288,212.19 = 51,900.55/x
  3. Step 3: Cross multiply
    192,141.88x = 288,212.19 × 51,900.55
  4. Step 4: Simplify right side
    192,141.88x = 14,958,371,177.70
  5. Step 5: Solve for x
    x = 14,958,371,177.70/192,141.88
  6. Step 6: Final answer
    x = 77,850.65

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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.