Home / 203,984.35-281,407.83-135,935.03

Finding the Fourth Proportional to 203,984.35, 281,407.83 and 135,935.03

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Solution

The fourth proportional to 203,984.35, 281,407.83 and 135,935.03 is: 187,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,984.35 : 281,407.83 = 135,935.03 : x
  2. Step 2: Convert to fraction form
    203,984.35/281,407.83 = 135,935.03/x
  3. Step 3: Cross multiply
    203,984.35x = 281,407.83 × 135,935.03
  4. Step 4: Simplify right side
    203,984.35x = 38,253,181,813.28
  5. Step 5: Solve for x
    x = 38,253,181,813.28/203,984.35
  6. Step 6: Final answer
    x = 187,529.98

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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.