Home / 572,170.31-857,657.21-192,960.03

Finding the Fourth Proportional to 572,170.31, 857,657.21 and 192,960.03

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Solution

The fourth proportional to 572,170.31, 857,657.21 and 192,960.03 is: 289,238.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,170.31 : 857,657.21 = 192,960.03 : x
  2. Step 2: Convert to fraction form
    572,170.31/857,657.21 = 192,960.03/x
  3. Step 3: Cross multiply
    572,170.31x = 857,657.21 × 192,960.03
  4. Step 4: Simplify right side
    572,170.31x = 165,493,560,006.52
  5. Step 5: Solve for x
    x = 165,493,560,006.52/572,170.31
  6. Step 6: Final answer
    x = 289,238.29

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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.