Home / 336,731.25-505,084.46-100,067.78

Finding the Fourth Proportional to 336,731.25, 505,084.46 and 100,067.78

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Solution

The fourth proportional to 336,731.25, 505,084.46 and 100,067.78 is: 150,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,731.25 : 505,084.46 = 100,067.78 : x
  2. Step 2: Convert to fraction form
    336,731.25/505,084.46 = 100,067.78/x
  3. Step 3: Cross multiply
    336,731.25x = 505,084.46 × 100,067.78
  4. Step 4: Simplify right side
    336,731.25x = 50,542,680,529.40
  5. Step 5: Solve for x
    x = 50,542,680,529.40/336,731.25
  6. Step 6: Final answer
    x = 150,097.98

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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.