Home / 512,192.07-768,107.72-170,542.73

Finding the Fourth Proportional to 512,192.07, 768,107.72 and 170,542.73

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Solution

The fourth proportional to 512,192.07, 768,107.72 and 170,542.73 is: 255,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,192.07 : 768,107.72 = 170,542.73 : x
  2. Step 2: Convert to fraction form
    512,192.07/768,107.72 = 170,542.73/x
  3. Step 3: Cross multiply
    512,192.07x = 768,107.72 × 170,542.73
  4. Step 4: Simplify right side
    512,192.07x = 130,995,189,849.50
  5. Step 5: Solve for x
    x = 130,995,189,849.50/512,192.07
  6. Step 6: Final answer
    x = 255,754.04

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1.5x scale

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.