Home / 250,583.43-375,836.94-82,121.25

Finding the Fourth Proportional to 250,583.43, 375,836.94 and 82,121.25

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Solution

The fourth proportional to 250,583.43, 375,836.94 and 82,121.25 is: 123,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,583.43 : 375,836.94 = 82,121.25 : x
  2. Step 2: Convert to fraction form
    250,583.43/375,836.94 = 82,121.25/x
  3. Step 3: Cross multiply
    250,583.43x = 375,836.94 × 82,121.25
  4. Step 4: Simplify right side
    250,583.43x = 30,864,199,308.98
  5. Step 5: Solve for x
    x = 30,864,199,308.98/250,583.43
  6. Step 6: Final answer
    x = 123,169.35

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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.