Home / 191,080.54-263,684.73-106,195.78

Finding the Fourth Proportional to 191,080.54, 263,684.73 and 106,195.78

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Solution

The fourth proportional to 191,080.54, 263,684.73 and 106,195.78 is: 146,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,080.54 : 263,684.73 = 106,195.78 : x
  2. Step 2: Convert to fraction form
    191,080.54/263,684.73 = 106,195.78/x
  3. Step 3: Cross multiply
    191,080.54x = 263,684.73 × 106,195.78
  4. Step 4: Simplify right side
    191,080.54x = 28,002,205,576.44
  5. Step 5: Solve for x
    x = 28,002,205,576.44/191,080.54
  6. Step 6: Final answer
    x = 146,546.61

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1.5x scale

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.