Home / 262,836.24-394,275.42-104,978.04

Finding the Fourth Proportional to 262,836.24, 394,275.42 and 104,978.04

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Solution

The fourth proportional to 262,836.24, 394,275.42 and 104,978.04 is: 157,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,836.24 : 394,275.42 = 104,978.04 : x
  2. Step 2: Convert to fraction form
    262,836.24/394,275.42 = 104,978.04/x
  3. Step 3: Cross multiply
    262,836.24x = 394,275.42 × 104,978.04
  4. Step 4: Simplify right side
    262,836.24x = 41,390,260,811.78
  5. Step 5: Solve for x
    x = 41,390,260,811.78/262,836.24
  6. Step 6: Final answer
    x = 157,475.47

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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.