Home / 203,958.36-281,460.69-113,314.50

Finding the Fourth Proportional to 203,958.36, 281,460.69 and 113,314.50

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Solution

The fourth proportional to 203,958.36, 281,460.69 and 113,314.50 is: 156,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,958.36 : 281,460.69 = 113,314.50 : x
  2. Step 2: Convert to fraction form
    203,958.36/281,460.69 = 113,314.50/x
  3. Step 3: Cross multiply
    203,958.36x = 281,460.69 × 113,314.50
  4. Step 4: Simplify right side
    203,958.36x = 31,893,577,357.01
  5. Step 5: Solve for x
    x = 31,893,577,357.01/203,958.36
  6. Step 6: Final answer
    x = 156,372.98

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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.