Home / 203,837.82-281,286.72-113,199.54

Finding the Fourth Proportional to 203,837.82, 281,286.72 and 113,199.54

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Solution

The fourth proportional to 203,837.82, 281,286.72 and 113,199.54 is: 156,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,837.82 : 281,286.72 = 113,199.54 : x
  2. Step 2: Convert to fraction form
    203,837.82/281,286.72 = 113,199.54/x
  3. Step 3: Cross multiply
    203,837.82x = 281,286.72 × 113,199.54
  4. Step 4: Simplify right side
    203,837.82x = 31,841,527,312.11
  5. Step 5: Solve for x
    x = 31,841,527,312.11/203,837.82
  6. Step 6: Final answer
    x = 156,210.11

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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.