Home / 263,187.05-394,776.90-63,505.76

Finding the Fourth Proportional to 263,187.05, 394,776.90 and 63,505.76

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Solution

The fourth proportional to 263,187.05, 394,776.90 and 63,505.76 is: 95,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,187.05 : 394,776.90 = 63,505.76 : x
  2. Step 2: Convert to fraction form
    263,187.05/394,776.90 = 63,505.76/x
  3. Step 3: Cross multiply
    263,187.05x = 394,776.90 × 63,505.76
  4. Step 4: Simplify right side
    263,187.05x = 25,070,605,091.06
  5. Step 5: Solve for x
    x = 25,070,605,091.06/263,187.05
  6. Step 6: Final answer
    x = 95,257.75

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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.