Home / 204,420.67-306,633.71-64,179.29

Finding the Fourth Proportional to 204,420.67, 306,633.71 and 64,179.29

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Solution

The fourth proportional to 204,420.67, 306,633.71 and 64,179.29 is: 96,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,420.67 : 306,633.71 = 64,179.29 : x
  2. Step 2: Convert to fraction form
    204,420.67/306,633.71 = 64,179.29/x
  3. Step 3: Cross multiply
    204,420.67x = 306,633.71 × 64,179.29
  4. Step 4: Simplify right side
    204,420.67x = 19,679,534,724.90
  5. Step 5: Solve for x
    x = 19,679,534,724.90/204,420.67
  6. Step 6: Final answer
    x = 96,269.79

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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.