Home / 173,439.20-259,964.40-89,166.80

Finding the Fourth Proportional to 173,439.20, 259,964.40 and 89,166.80

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Solution

The fourth proportional to 173,439.20, 259,964.40 and 89,166.80 is: 133,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,439.20 : 259,964.40 = 89,166.80 : x
  2. Step 2: Convert to fraction form
    173,439.20/259,964.40 = 89,166.80/x
  3. Step 3: Cross multiply
    173,439.20x = 259,964.40 × 89,166.80
  4. Step 4: Simplify right side
    173,439.20x = 23,180,193,661.92
  5. Step 5: Solve for x
    x = 23,180,193,661.92/173,439.20
  6. Step 6: Final answer
    x = 133,650.26

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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.