Home / 264,983.20-397,474.80-87,517.60

Finding the Fourth Proportional to 264,983.20, 397,474.80 and 87,517.60

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Solution

The fourth proportional to 264,983.20, 397,474.80 and 87,517.60 is: 131,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,983.20 : 397,474.80 = 87,517.60 : x
  2. Step 2: Convert to fraction form
    264,983.20/397,474.80 = 87,517.60/x
  3. Step 3: Cross multiply
    264,983.20x = 397,474.80 × 87,517.60
  4. Step 4: Simplify right side
    264,983.20x = 34,786,040,556.48
  5. Step 5: Solve for x
    x = 34,786,040,556.48/264,983.20
  6. Step 6: Final answer
    x = 131,276.40

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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.