Home / 203,696.27-281,087.72-113,052.31

Finding the Fourth Proportional to 203,696.27, 281,087.72 and 113,052.31

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Solution

The fourth proportional to 203,696.27, 281,087.72 and 113,052.31 is: 156,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,696.27 : 281,087.72 = 113,052.31 : x
  2. Step 2: Convert to fraction form
    203,696.27/281,087.72 = 113,052.31/x
  3. Step 3: Cross multiply
    203,696.27x = 281,087.72 × 113,052.31
  4. Step 4: Simplify right side
    203,696.27x = 31,777,615,214.60
  5. Step 5: Solve for x
    x = 31,777,615,214.60/203,696.27
  6. Step 6: Final answer
    x = 156,004.90

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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.