Home / 203,647.23-281,028.92-113,002.43

Finding the Fourth Proportional to 203,647.23, 281,028.92 and 113,002.43

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Solution

The fourth proportional to 203,647.23, 281,028.92 and 113,002.43 is: 155,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,647.23 : 281,028.92 = 113,002.43 : x
  2. Step 2: Convert to fraction form
    203,647.23/281,028.92 = 113,002.43/x
  3. Step 3: Cross multiply
    203,647.23x = 281,028.92 × 113,002.43
  4. Step 4: Simplify right side
    203,647.23x = 31,756,948,890.12
  5. Step 5: Solve for x
    x = 31,756,948,890.12/203,647.23
  6. Step 6: Final answer
    x = 155,940.98

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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.