Home / 203,708.41-281,112.19-113,062.03

Finding the Fourth Proportional to 203,708.41, 281,112.19 and 113,062.03

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Solution

The fourth proportional to 203,708.41, 281,112.19 and 113,062.03 is: 156,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,708.41 : 281,112.19 = 113,062.03 : x
  2. Step 2: Convert to fraction form
    203,708.41/281,112.19 = 113,062.03/x
  3. Step 3: Cross multiply
    203,708.41x = 281,112.19 × 113,062.03
  4. Step 4: Simplify right side
    203,708.41x = 31,783,114,859.15
  5. Step 5: Solve for x
    x = 31,783,114,859.15/203,708.41
  6. Step 6: Final answer
    x = 156,022.60

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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.