Home / 263,280.84-394,563.40-111,351.68

Finding the Fourth Proportional to 263,280.84, 394,563.40 and 111,351.68

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Solution

The fourth proportional to 263,280.84, 394,563.40 and 111,351.68 is: 166,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,280.84 : 394,563.40 = 111,351.68 : x
  2. Step 2: Convert to fraction form
    263,280.84/394,563.40 = 111,351.68/x
  3. Step 3: Cross multiply
    263,280.84x = 394,563.40 × 111,351.68
  4. Step 4: Simplify right side
    263,280.84x = 43,935,297,456.51
  5. Step 5: Solve for x
    x = 43,935,297,456.51/263,280.84
  6. Step 6: Final answer
    x = 166,876.17

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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.