Home / 173,086.40-259,435.20-73,229.60

Finding the Fourth Proportional to 173,086.40, 259,435.20 and 73,229.60

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Solution

The fourth proportional to 173,086.40, 259,435.20 and 73,229.60 is: 109,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,086.40 : 259,435.20 = 73,229.60 : x
  2. Step 2: Convert to fraction form
    173,086.40/259,435.20 = 73,229.60/x
  3. Step 3: Cross multiply
    173,086.40x = 259,435.20 × 73,229.60
  4. Step 4: Simplify right side
    173,086.40x = 18,998,335,921.92
  5. Step 5: Solve for x
    x = 18,998,335,921.92/173,086.40
  6. Step 6: Final answer
    x = 109,762.15

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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.