Home / 200,418.72-300,219.68-94,917.84

Finding the Fourth Proportional to 200,418.72, 300,219.68 and 94,917.84

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Solution

The fourth proportional to 200,418.72, 300,219.68 and 94,917.84 is: 142,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,418.72 : 300,219.68 = 94,917.84 : x
  2. Step 2: Convert to fraction form
    200,418.72/300,219.68 = 94,917.84/x
  3. Step 3: Cross multiply
    200,418.72x = 300,219.68 × 94,917.84
  4. Step 4: Simplify right side
    200,418.72x = 28,496,203,551.09
  5. Step 5: Solve for x
    x = 28,496,203,551.09/200,418.72
  6. Step 6: Final answer
    x = 142,183.34

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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.