Home / 199,321.39-275,065.68-108,676.63

Finding the Fourth Proportional to 199,321.39, 275,065.68 and 108,676.63

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Solution

The fourth proportional to 199,321.39, 275,065.68 and 108,676.63 is: 149,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,321.39 : 275,065.68 = 108,676.63 : x
  2. Step 2: Convert to fraction form
    199,321.39/275,065.68 = 108,676.63/x
  3. Step 3: Cross multiply
    199,321.39x = 275,065.68 × 108,676.63
  4. Step 4: Simplify right side
    199,321.39x = 29,893,211,131.06
  5. Step 5: Solve for x
    x = 29,893,211,131.06/199,321.39
  6. Step 6: Final answer
    x = 149,974.93

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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.