Home / 204,318.44-306,562.10-90,406.52

Finding the Fourth Proportional to 204,318.44, 306,562.10 and 90,406.52

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Solution

The fourth proportional to 204,318.44, 306,562.10 and 90,406.52 is: 135,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,318.44 : 306,562.10 = 90,406.52 : x
  2. Step 2: Convert to fraction form
    204,318.44/306,562.10 = 90,406.52/x
  3. Step 3: Cross multiply
    204,318.44x = 306,562.10 × 90,406.52
  4. Step 4: Simplify right side
    204,318.44x = 27,715,210,640.05
  5. Step 5: Solve for x
    x = 27,715,210,640.05/204,318.44
  6. Step 6: Final answer
    x = 135,647.14

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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.