Home / 172,803.24-259,107.20-71,544.03

Finding the Fourth Proportional to 172,803.24, 259,107.20 and 71,544.03

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Solution

The fourth proportional to 172,803.24, 259,107.20 and 71,544.03 is: 107,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,803.24 : 259,107.20 = 71,544.03 : x
  2. Step 2: Convert to fraction form
    172,803.24/259,107.20 = 71,544.03/x
  3. Step 3: Cross multiply
    172,803.24x = 259,107.20 × 71,544.03
  4. Step 4: Simplify right side
    172,803.24x = 18,537,573,290.02
  5. Step 5: Solve for x
    x = 18,537,573,290.02/172,803.24
  6. Step 6: Final answer
    x = 107,275.61

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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.