Home / 199,910.17-275,879.96-109,263.61

Finding the Fourth Proportional to 199,910.17, 275,879.96 and 109,263.61

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Solution

The fourth proportional to 199,910.17, 275,879.96 and 109,263.61 is: 150,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,910.17 : 275,879.96 = 109,263.61 : x
  2. Step 2: Convert to fraction form
    199,910.17/275,879.96 = 109,263.61/x
  3. Step 3: Cross multiply
    199,910.17x = 275,879.96 × 109,263.61
  4. Step 4: Simplify right side
    199,910.17x = 30,143,640,356.26
  5. Step 5: Solve for x
    x = 30,143,640,356.26/199,910.17
  6. Step 6: Final answer
    x = 150,785.93

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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.