Home / 192,396.20-288,983.10-185,786.60

Finding the Fourth Proportional to 192,396.20, 288,983.10 and 185,786.60

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Solution

The fourth proportional to 192,396.20, 288,983.10 and 185,786.60 is: 279,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,396.20 : 288,983.10 = 185,786.60 : x
  2. Step 2: Convert to fraction form
    192,396.20/288,983.10 = 185,786.60/x
  3. Step 3: Cross multiply
    192,396.20x = 288,983.10 × 185,786.60
  4. Step 4: Simplify right side
    192,396.20x = 53,689,187,606.46
  5. Step 5: Solve for x
    x = 53,689,187,606.46/192,396.20
  6. Step 6: Final answer
    x = 279,055.34

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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.