Home / 192,620.45-288,943.36-50,469.21

Finding the Fourth Proportional to 192,620.45, 288,943.36 and 50,469.21

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Solution

The fourth proportional to 192,620.45, 288,943.36 and 50,469.21 is: 75,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,620.45 : 288,943.36 = 50,469.21 : x
  2. Step 2: Convert to fraction form
    192,620.45/288,943.36 = 50,469.21/x
  3. Step 3: Cross multiply
    192,620.45x = 288,943.36 × 50,469.21
  4. Step 4: Simplify right side
    192,620.45x = 14,582,741,416.88
  5. Step 5: Solve for x
    x = 14,582,741,416.88/192,620.45
  6. Step 6: Final answer
    x = 75,707.13

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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.