Home / 263,921.30-395,904.88-74,382.92

Finding the Fourth Proportional to 263,921.30, 395,904.88 and 74,382.92

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Solution

The fourth proportional to 263,921.30, 395,904.88 and 74,382.92 is: 111,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,921.30 : 395,904.88 = 74,382.92 : x
  2. Step 2: Convert to fraction form
    263,921.30/395,904.88 = 74,382.92/x
  3. Step 3: Cross multiply
    263,921.30x = 395,904.88 × 74,382.92
  4. Step 4: Simplify right side
    263,921.30x = 29,448,560,614.75
  5. Step 5: Solve for x
    x = 29,448,560,614.75/263,921.30
  6. Step 6: Final answer
    x = 111,580.84

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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.