Home / 198,309.39-273,667.05-107,665.26

Finding the Fourth Proportional to 198,309.39, 273,667.05 and 107,665.26

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Solution

The fourth proportional to 198,309.39, 273,667.05 and 107,665.26 is: 148,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,309.39 : 273,667.05 = 107,665.26 : x
  2. Step 2: Convert to fraction form
    198,309.39/273,667.05 = 107,665.26/x
  3. Step 3: Cross multiply
    198,309.39x = 273,667.05 × 107,665.26
  4. Step 4: Simplify right side
    198,309.39x = 29,464,434,091.68
  5. Step 5: Solve for x
    x = 29,464,434,091.68/198,309.39
  6. Step 6: Final answer
    x = 148,578.11

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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.