Home / 203,835.83-281,295.99-113,197.43

Finding the Fourth Proportional to 203,835.83, 281,295.99 and 113,197.43

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Solution

The fourth proportional to 203,835.83, 281,295.99 and 113,197.43 is: 156,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,835.83 : 281,295.99 = 113,197.43 : x
  2. Step 2: Convert to fraction form
    203,835.83/281,295.99 = 113,197.43/x
  3. Step 3: Cross multiply
    203,835.83x = 281,295.99 × 113,197.43
  4. Step 4: Simplify right side
    203,835.83x = 31,841,983,840.55
  5. Step 5: Solve for x
    x = 31,841,983,840.55/203,835.83
  6. Step 6: Final answer
    x = 156,213.87

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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.