Home / 190,661.92-263,120.48-115,195.84

Finding the Fourth Proportional to 190,661.92, 263,120.48 and 115,195.84

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Solution

The fourth proportional to 190,661.92, 263,120.48 and 115,195.84 is: 158,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,661.92 : 263,120.48 = 115,195.84 : x
  2. Step 2: Convert to fraction form
    190,661.92/263,120.48 = 115,195.84/x
  3. Step 3: Cross multiply
    190,661.92x = 263,120.48 × 115,195.84
  4. Step 4: Simplify right side
    190,661.92x = 30,310,384,714.80
  5. Step 5: Solve for x
    x = 30,310,384,714.80/190,661.92
  6. Step 6: Final answer
    x = 158,974.51

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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.