Home / 264,943.28-397,454.34-87,469.04

Finding the Fourth Proportional to 264,943.28, 397,454.34 and 87,469.04

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Solution

The fourth proportional to 264,943.28, 397,454.34 and 87,469.04 is: 131,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,943.28 : 397,454.34 = 87,469.04 : x
  2. Step 2: Convert to fraction form
    264,943.28/397,454.34 = 87,469.04/x
  3. Step 3: Cross multiply
    264,943.28x = 397,454.34 × 87,469.04
  4. Step 4: Simplify right side
    264,943.28x = 34,764,949,563.63
  5. Step 5: Solve for x
    x = 34,764,949,563.63/264,943.28
  6. Step 6: Final answer
    x = 131,216.57

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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.