Home / 203,835.67-281,283.81-113,197.41

Finding the Fourth Proportional to 203,835.67, 281,283.81 and 113,197.41

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Solution

The fourth proportional to 203,835.67, 281,283.81 and 113,197.41 is: 156,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,835.67 : 281,283.81 = 113,197.41 : x
  2. Step 2: Convert to fraction form
    203,835.67/281,283.81 = 113,197.41/x
  3. Step 3: Cross multiply
    203,835.67x = 281,283.81 × 113,197.41
  4. Step 4: Simplify right side
    203,835.67x = 31,840,598,766.93
  5. Step 5: Solve for x
    x = 31,840,598,766.93/203,835.67
  6. Step 6: Final answer
    x = 156,207.20

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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.