Home / 204,217.85-306,355.94-63,987.41

Finding the Fourth Proportional to 204,217.85, 306,355.94 and 63,987.41

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Solution

The fourth proportional to 204,217.85, 306,355.94 and 63,987.41 is: 95,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,217.85 : 306,355.94 = 63,987.41 : x
  2. Step 2: Convert to fraction form
    204,217.85/306,355.94 = 63,987.41/x
  3. Step 3: Cross multiply
    204,217.85x = 306,355.94 × 63,987.41
  4. Step 4: Simplify right side
    204,217.85x = 19,602,921,287.00
  5. Step 5: Solve for x
    x = 19,602,921,287.00/204,217.85
  6. Step 6: Final answer
    x = 95,990.25

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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.