Home / 203,936.44-281,667.78-135,841.24

Finding the Fourth Proportional to 203,936.44, 281,667.78 and 135,841.24

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Solution

The fourth proportional to 203,936.44, 281,667.78 and 135,841.24 is: 187,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,936.44 : 281,667.78 = 135,841.24 : x
  2. Step 2: Convert to fraction form
    203,936.44/281,667.78 = 135,841.24/x
  3. Step 3: Cross multiply
    203,936.44x = 281,667.78 × 135,841.24
  4. Step 4: Simplify right side
    203,936.44x = 38,262,100,503.25
  5. Step 5: Solve for x
    x = 38,262,100,503.25/203,936.44
  6. Step 6: Final answer
    x = 187,617.77

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1.5x scale

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.