Home / 203,936.33-281,432.43-113,289.83

Finding the Fourth Proportional to 203,936.33, 281,432.43 and 113,289.83

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Solution

The fourth proportional to 203,936.33, 281,432.43 and 113,289.83 is: 156,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,936.33 : 281,432.43 = 113,289.83 : x
  2. Step 2: Convert to fraction form
    203,936.33/281,432.43 = 113,289.83/x
  3. Step 3: Cross multiply
    203,936.33x = 281,432.43 × 113,289.83
  4. Step 4: Simplify right side
    203,936.33x = 31,883,430,744.02
  5. Step 5: Solve for x
    x = 31,883,430,744.02/203,936.33
  6. Step 6: Final answer
    x = 156,340.13

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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.