Home / 263,196.04-394,847.37-85,655.38

Finding the Fourth Proportional to 263,196.04, 394,847.37 and 85,655.38

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Solution

The fourth proportional to 263,196.04, 394,847.37 and 85,655.38 is: 128,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,196.04 : 394,847.37 = 85,655.38 : x
  2. Step 2: Convert to fraction form
    263,196.04/394,847.37 = 85,655.38/x
  3. Step 3: Cross multiply
    263,196.04x = 394,847.37 × 85,655.38
  4. Step 4: Simplify right side
    263,196.04x = 33,820,801,519.35
  5. Step 5: Solve for x
    x = 33,820,801,519.35/263,196.04
  6. Step 6: Final answer
    x = 128,500.42

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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.