Home / 192,014.20-288,107.70-92,135.80

Finding the Fourth Proportional to 192,014.20, 288,107.70 and 92,135.80

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Solution

The fourth proportional to 192,014.20, 288,107.70 and 92,135.80 is: 138,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,014.20 : 288,107.70 = 92,135.80 : x
  2. Step 2: Convert to fraction form
    192,014.20/288,107.70 = 92,135.80/x
  3. Step 3: Cross multiply
    192,014.20x = 288,107.70 × 92,135.80
  4. Step 4: Simplify right side
    192,014.20x = 26,545,033,425.66
  5. Step 5: Solve for x
    x = 26,545,033,425.66/192,014.20
  6. Step 6: Final answer
    x = 138,245.16

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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.