Home / 199,321.14-275,065.32-108,676.36

Finding the Fourth Proportional to 199,321.14, 275,065.32 and 108,676.36

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Solution

The fourth proportional to 199,321.14, 275,065.32 and 108,676.36 is: 149,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,321.14 : 275,065.32 = 108,676.36 : x
  2. Step 2: Convert to fraction form
    199,321.14/275,065.32 = 108,676.36/x
  3. Step 3: Cross multiply
    199,321.14x = 275,065.32 × 108,676.36
  4. Step 4: Simplify right side
    199,321.14x = 29,893,097,739.84
  5. Step 5: Solve for x
    x = 29,893,097,739.84/199,321.14
  6. Step 6: Final answer
    x = 149,974.55

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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.