Home / 204,974.15-307,316.03-91,059.39

Finding the Fourth Proportional to 204,974.15, 307,316.03 and 91,059.39

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Solution

The fourth proportional to 204,974.15, 307,316.03 and 91,059.39 is: 136,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,974.15 : 307,316.03 = 91,059.39 : x
  2. Step 2: Convert to fraction form
    204,974.15/307,316.03 = 91,059.39/x
  3. Step 3: Cross multiply
    204,974.15x = 307,316.03 × 91,059.39
  4. Step 4: Simplify right side
    204,974.15x = 27,984,009,773.72
  5. Step 5: Solve for x
    x = 27,984,009,773.72/204,974.15
  6. Step 6: Final answer
    x = 136,524.58

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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.