Home / 203,827.82-281,315.66-113,212.96

Finding the Fourth Proportional to 203,827.82, 281,315.66 and 113,212.96

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Solution

The fourth proportional to 203,827.82, 281,315.66 and 113,212.96 is: 156,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,827.82 : 281,315.66 = 113,212.96 : x
  2. Step 2: Convert to fraction form
    203,827.82/281,315.66 = 113,212.96/x
  3. Step 3: Cross multiply
    203,827.82x = 281,315.66 × 113,212.96
  4. Step 4: Simplify right side
    203,827.82x = 31,848,578,562.95
  5. Step 5: Solve for x
    x = 31,848,578,562.95/203,827.82
  6. Step 6: Final answer
    x = 156,252.36

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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.