Home / 269,817.25-404,655.36-80,226.57

Finding the Fourth Proportional to 269,817.25, 404,655.36 and 80,226.57

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Solution

The fourth proportional to 269,817.25, 404,655.36 and 80,226.57 is: 120,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,817.25 : 404,655.36 = 80,226.57 : x
  2. Step 2: Convert to fraction form
    269,817.25/404,655.36 = 80,226.57/x
  3. Step 3: Cross multiply
    269,817.25x = 404,655.36 × 80,226.57
  4. Step 4: Simplify right side
    269,817.25x = 32,464,111,564.92
  5. Step 5: Solve for x
    x = 32,464,111,564.92/269,817.25
  6. Step 6: Final answer
    x = 120,318.89

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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.