Home / 203,859.03-281,327.16-113,216.50

Finding the Fourth Proportional to 203,859.03, 281,327.16 and 113,216.50

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Solution

The fourth proportional to 203,859.03, 281,327.16 and 113,216.50 is: 156,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,859.03 : 281,327.16 = 113,216.50 : x
  2. Step 2: Convert to fraction form
    203,859.03/281,327.16 = 113,216.50/x
  3. Step 3: Cross multiply
    203,859.03x = 281,327.16 × 113,216.50
  4. Step 4: Simplify right side
    203,859.03x = 31,850,876,410.14
  5. Step 5: Solve for x
    x = 31,850,876,410.14/203,859.03
  6. Step 6: Final answer
    x = 156,239.71

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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.