Home / 203,836.82-281,285.36-113,198.54

Finding the Fourth Proportional to 203,836.82, 281,285.36 and 113,198.54

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Solution

The fourth proportional to 203,836.82, 281,285.36 and 113,198.54 is: 156,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,836.82 : 281,285.36 = 113,198.54 : x
  2. Step 2: Convert to fraction form
    203,836.82/281,285.36 = 113,198.54/x
  3. Step 3: Cross multiply
    203,836.82x = 281,285.36 × 113,198.54
  4. Step 4: Simplify right side
    203,836.82x = 31,841,092,075.37
  5. Step 5: Solve for x
    x = 31,841,092,075.37/203,836.82
  6. Step 6: Final answer
    x = 156,208.74

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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.