Home / 262,896.20-394,344.30-188,246.60

Finding the Fourth Proportional to 262,896.20, 394,344.30 and 188,246.60

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Solution

The fourth proportional to 262,896.20, 394,344.30 and 188,246.60 is: 282,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,896.20 : 394,344.30 = 188,246.60 : x
  2. Step 2: Convert to fraction form
    262,896.20/394,344.30 = 188,246.60/x
  3. Step 3: Cross multiply
    262,896.20x = 394,344.30 × 188,246.60
  4. Step 4: Simplify right side
    262,896.20x = 74,233,973,704.38
  5. Step 5: Solve for x
    x = 74,233,973,704.38/262,896.20
  6. Step 6: Final answer
    x = 282,369.90

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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.