Home / 262,849.20-394,158.60-105,025.20

Finding the Fourth Proportional to 262,849.20, 394,158.60 and 105,025.20

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Solution

The fourth proportional to 262,849.20, 394,158.60 and 105,025.20 is: 157,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,849.20 : 394,158.60 = 105,025.20 : x
  2. Step 2: Convert to fraction form
    262,849.20/394,158.60 = 105,025.20/x
  3. Step 3: Cross multiply
    262,849.20x = 394,158.60 × 105,025.20
  4. Step 4: Simplify right side
    262,849.20x = 41,396,585,796.72
  5. Step 5: Solve for x
    x = 41,396,585,796.72/262,849.20
  6. Step 6: Final answer
    x = 157,491.77

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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.