Home / 262,321.26-393,481.53-104,660.43

Finding the Fourth Proportional to 262,321.26, 393,481.53 and 104,660.43

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Solution

The fourth proportional to 262,321.26, 393,481.53 and 104,660.43 is: 156,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,321.26 : 393,481.53 = 104,660.43 : x
  2. Step 2: Convert to fraction form
    262,321.26/393,481.53 = 104,660.43/x
  3. Step 3: Cross multiply
    262,321.26x = 393,481.53 × 104,660.43
  4. Step 4: Simplify right side
    262,321.26x = 41,181,946,126.86
  5. Step 5: Solve for x
    x = 41,181,946,126.86/262,321.26
  6. Step 6: Final answer
    x = 156,990.50

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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.