Home / 206,151.51-309,033.33-111,239.46

Finding the Fourth Proportional to 206,151.51, 309,033.33 and 111,239.46

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Solution

The fourth proportional to 206,151.51, 309,033.33 and 111,239.46 is: 166,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,151.51 : 309,033.33 = 111,239.46 : x
  2. Step 2: Convert to fraction form
    206,151.51/309,033.33 = 111,239.46/x
  3. Step 3: Cross multiply
    206,151.51x = 309,033.33 × 111,239.46
  4. Step 4: Simplify right side
    206,151.51x = 34,376,700,334.05
  5. Step 5: Solve for x
    x = 34,376,700,334.05/206,151.51
  6. Step 6: Final answer
    x = 166,754.54

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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.