Home / 173,371.65-260,107.29-72,150

Finding the Fourth Proportional to 173,371.65, 260,107.29 and 72,150

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Solution

The fourth proportional to 173,371.65, 260,107.29 and 72,150 is: 108,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,371.65 : 260,107.29 = 72,150 : x
  2. Step 2: Convert to fraction form
    173,371.65/260,107.29 = 72,150/x
  3. Step 3: Cross multiply
    173,371.65x = 260,107.29 × 72,150
  4. Step 4: Simplify right side
    173,371.65x = 18,766,740,973.50
  5. Step 5: Solve for x
    x = 18,766,740,973.50/173,371.65
  6. Step 6: Final answer
    x = 108,245.73

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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.