Home / 206,296.72-309,371.22-111,596.92

Finding the Fourth Proportional to 206,296.72, 309,371.22 and 111,596.92

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Solution

The fourth proportional to 206,296.72, 309,371.22 and 111,596.92 is: 167,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,296.72 : 309,371.22 = 111,596.92 : x
  2. Step 2: Convert to fraction form
    206,296.72/309,371.22 = 111,596.92/x
  3. Step 3: Cross multiply
    206,296.72x = 309,371.22 × 111,596.92
  4. Step 4: Simplify right side
    206,296.72x = 34,524,875,288.64
  5. Step 5: Solve for x
    x = 34,524,875,288.64/206,296.72
  6. Step 6: Final answer
    x = 167,355.43

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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.