Home / 199,319.14-275,062.56-108,674.37

Finding the Fourth Proportional to 199,319.14, 275,062.56 and 108,674.37

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Solution

The fourth proportional to 199,319.14, 275,062.56 and 108,674.37 is: 149,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,319.14 : 275,062.56 = 108,674.37 : x
  2. Step 2: Convert to fraction form
    199,319.14/275,062.56 = 108,674.37/x
  3. Step 3: Cross multiply
    199,319.14x = 275,062.56 × 108,674.37
  4. Step 4: Simplify right side
    199,319.14x = 29,892,250,418.59
  5. Step 5: Solve for x
    x = 29,892,250,418.59/199,319.14
  6. Step 6: Final answer
    x = 149,971.80

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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.