Home / 173,162.20-259,743.30-137,732.80

Finding the Fourth Proportional to 173,162.20, 259,743.30 and 137,732.80

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Solution

The fourth proportional to 173,162.20, 259,743.30 and 137,732.80 is: 206,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,162.20 : 259,743.30 = 137,732.80 : x
  2. Step 2: Convert to fraction form
    173,162.20/259,743.30 = 137,732.80/x
  3. Step 3: Cross multiply
    173,162.20x = 259,743.30 × 137,732.80
  4. Step 4: Simplify right side
    173,162.20x = 35,775,171,990.24
  5. Step 5: Solve for x
    x = 35,775,171,990.24/173,162.20
  6. Step 6: Final answer
    x = 206,599.20

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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.