Home / 203,984.87-281,486.07-113,339.16

Finding the Fourth Proportional to 203,984.87, 281,486.07 and 113,339.16

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Solution

The fourth proportional to 203,984.87, 281,486.07 and 113,339.16 is: 156,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,984.87 : 281,486.07 = 113,339.16 : x
  2. Step 2: Convert to fraction form
    203,984.87/281,486.07 = 113,339.16/x
  3. Step 3: Cross multiply
    203,984.87x = 281,486.07 × 113,339.16
  4. Step 4: Simplify right side
    203,984.87x = 31,903,394,725.50
  5. Step 5: Solve for x
    x = 31,903,394,725.50/203,984.87
  6. Step 6: Final answer
    x = 156,400.79

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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.