Home / 203,831.83-281,286.03-113,185.54

Finding the Fourth Proportional to 203,831.83, 281,286.03 and 113,185.54

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Solution

The fourth proportional to 203,831.83, 281,286.03 and 113,185.54 is: 156,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,831.83 : 281,286.03 = 113,185.54 : x
  2. Step 2: Convert to fraction form
    203,831.83/281,286.03 = 113,185.54/x
  3. Step 3: Cross multiply
    203,831.83x = 281,286.03 × 113,185.54
  4. Step 4: Simplify right side
    203,831.83x = 31,837,511,200.01
  5. Step 5: Solve for x
    x = 31,837,511,200.01/203,831.83
  6. Step 6: Final answer
    x = 156,194.99

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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.