Home / 300,032.20-449,976.30-173,398.60

Finding the Fourth Proportional to 300,032.20, 449,976.30 and 173,398.60

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Solution

The fourth proportional to 300,032.20, 449,976.30 and 173,398.60 is: 260,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,032.20 : 449,976.30 = 173,398.60 : x
  2. Step 2: Convert to fraction form
    300,032.20/449,976.30 = 173,398.60/x
  3. Step 3: Cross multiply
    300,032.20x = 449,976.30 × 173,398.60
  4. Step 4: Simplify right side
    300,032.20x = 78,025,260,453.18
  5. Step 5: Solve for x
    x = 78,025,260,453.18/300,032.20
  6. Step 6: Final answer
    x = 260,056.29

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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.