Home / 220,186.49-303,991.45-206,616.15

Finding the Fourth Proportional to 220,186.49, 303,991.45 and 206,616.15

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Solution

The fourth proportional to 220,186.49, 303,991.45 and 206,616.15 is: 285,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,186.49 : 303,991.45 = 206,616.15 : x
  2. Step 2: Convert to fraction form
    220,186.49/303,991.45 = 206,616.15/x
  3. Step 3: Cross multiply
    220,186.49x = 303,991.45 × 206,616.15
  4. Step 4: Simplify right side
    220,186.49x = 62,809,542,515.38
  5. Step 5: Solve for x
    x = 62,809,542,515.38/220,186.49
  6. Step 6: Final answer
    x = 285,256.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.