Home / 150,918.26-208,267.07-82,939.61

Finding the Fourth Proportional to 150,918.26, 208,267.07 and 82,939.61

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Solution

The fourth proportional to 150,918.26, 208,267.07 and 82,939.61 is: 114,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,918.26 : 208,267.07 = 82,939.61 : x
  2. Step 2: Convert to fraction form
    150,918.26/208,267.07 = 82,939.61/x
  3. Step 3: Cross multiply
    150,918.26x = 208,267.07 × 82,939.61
  4. Step 4: Simplify right side
    150,918.26x = 17,273,589,667.61
  5. Step 5: Solve for x
    x = 17,273,589,667.61/150,918.26
  6. Step 6: Final answer
    x = 114,456.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.