Home / 204,400.84-306,601.35-91,949.71

Finding the Fourth Proportional to 204,400.84, 306,601.35 and 91,949.71

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Solution

The fourth proportional to 204,400.84, 306,601.35 and 91,949.71 is: 137,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,400.84 : 306,601.35 = 91,949.71 : x
  2. Step 2: Convert to fraction form
    204,400.84/306,601.35 = 91,949.71/x
  3. Step 3: Cross multiply
    204,400.84x = 306,601.35 × 91,949.71
  4. Step 4: Simplify right side
    204,400.84x = 28,191,904,336.57
  5. Step 5: Solve for x
    x = 28,191,904,336.57/204,400.84
  6. Step 6: Final answer
    x = 137,924.60

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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.