Home / 572,072.97-858,145.91-193,031.85

Finding the Fourth Proportional to 572,072.97, 858,145.91 and 193,031.85

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Solution

The fourth proportional to 572,072.97, 858,145.91 and 193,031.85 is: 289,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,072.97 : 858,145.91 = 193,031.85 : x
  2. Step 2: Convert to fraction form
    572,072.97/858,145.91 = 193,031.85/x
  3. Step 3: Cross multiply
    572,072.97x = 858,145.91 × 193,031.85
  4. Step 4: Simplify right side
    572,072.97x = 165,649,491,612.07
  5. Step 5: Solve for x
    x = 165,649,491,612.07/572,072.97
  6. Step 6: Final answer
    x = 289,560.07

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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.