Home / 263,236.77-394,821.14-105,466.59

Finding the Fourth Proportional to 263,236.77, 394,821.14 and 105,466.59

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Solution

The fourth proportional to 263,236.77, 394,821.14 and 105,466.59 is: 158,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,236.77 : 394,821.14 = 105,466.59 : x
  2. Step 2: Convert to fraction form
    263,236.77/394,821.14 = 105,466.59/x
  3. Step 3: Cross multiply
    263,236.77x = 394,821.14 × 105,466.59
  4. Step 4: Simplify right side
    263,236.77x = 41,640,438,768.38
  5. Step 5: Solve for x
    x = 41,640,438,768.38/263,236.77
  6. Step 6: Final answer
    x = 158,186.25

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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.