Home / 204,928.12-307,374.82-115,901.56

Finding the Fourth Proportional to 204,928.12, 307,374.82 and 115,901.56

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Solution

The fourth proportional to 204,928.12, 307,374.82 and 115,901.56 is: 173,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,928.12 : 307,374.82 = 115,901.56 : x
  2. Step 2: Convert to fraction form
    204,928.12/307,374.82 = 115,901.56/x
  3. Step 3: Cross multiply
    204,928.12x = 307,374.82 × 115,901.56
  4. Step 4: Simplify right side
    204,928.12x = 35,625,221,142.72
  5. Step 5: Solve for x
    x = 35,625,221,142.72/204,928.12
  6. Step 6: Final answer
    x = 173,842.52

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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.