Home / 300,033.20-449,977.80-173,399.60

Finding the Fourth Proportional to 300,033.20, 449,977.80 and 173,399.60

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Solution

The fourth proportional to 300,033.20, 449,977.80 and 173,399.60 is: 260,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,033.20 : 449,977.80 = 173,399.60 : x
  2. Step 2: Convert to fraction form
    300,033.20/449,977.80 = 173,399.60/x
  3. Step 3: Cross multiply
    300,033.20x = 449,977.80 × 173,399.60
  4. Step 4: Simplify right side
    300,033.20x = 78,025,970,528.88
  5. Step 5: Solve for x
    x = 78,025,970,528.88/300,033.20
  6. Step 6: Final answer
    x = 260,057.79

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1.5x scale

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.