Home / 401,336.82-602,067.54-135,076.56

Finding the Fourth Proportional to 401,336.82, 602,067.54 and 135,076.56

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Solution

The fourth proportional to 401,336.82, 602,067.54 and 135,076.56 is: 202,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,336.82 : 602,067.54 = 135,076.56 : x
  2. Step 2: Convert to fraction form
    401,336.82/602,067.54 = 135,076.56/x
  3. Step 3: Cross multiply
    401,336.82x = 602,067.54 × 135,076.56
  4. Step 4: Simplify right side
    401,336.82x = 81,325,212,190.86
  5. Step 5: Solve for x
    x = 81,325,212,190.86/401,336.82
  6. Step 6: Final answer
    x = 202,635.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.