Home / 349,786.20-482,705.53-196,832.89

Finding the Fourth Proportional to 349,786.20, 482,705.53 and 196,832.89

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Solution

The fourth proportional to 349,786.20, 482,705.53 and 196,832.89 is: 271,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,786.20 : 482,705.53 = 196,832.89 : x
  2. Step 2: Convert to fraction form
    349,786.20/482,705.53 = 196,832.89/x
  3. Step 3: Cross multiply
    349,786.20x = 482,705.53 × 196,832.89
  4. Step 4: Simplify right side
    349,786.20x = 95,012,321,884.96
  5. Step 5: Solve for x
    x = 95,012,321,884.96/349,786.20
  6. Step 6: Final answer
    x = 271,629.71

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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.