Home / 204,162.15-306,305.39-104,392.43

Finding the Fourth Proportional to 204,162.15, 306,305.39 and 104,392.43

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Solution

The fourth proportional to 204,162.15, 306,305.39 and 104,392.43 is: 156,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,162.15 : 306,305.39 = 104,392.43 : x
  2. Step 2: Convert to fraction form
    204,162.15/306,305.39 = 104,392.43/x
  3. Step 3: Cross multiply
    204,162.15x = 306,305.39 × 104,392.43
  4. Step 4: Simplify right side
    204,162.15x = 31,975,961,930.71
  5. Step 5: Solve for x
    x = 31,975,961,930.71/204,162.15
  6. Step 6: Final answer
    x = 156,620.42

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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.