Home / 217,375.93-299,996.16-120,589.33

Finding the Fourth Proportional to 217,375.93, 299,996.16 and 120,589.33

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Solution

The fourth proportional to 217,375.93, 299,996.16 and 120,589.33 is: 166,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,375.93 : 299,996.16 = 120,589.33 : x
  2. Step 2: Convert to fraction form
    217,375.93/299,996.16 = 120,589.33/x
  3. Step 3: Cross multiply
    217,375.93x = 299,996.16 × 120,589.33
  4. Step 4: Simplify right side
    217,375.93x = 36,176,335,936.97
  5. Step 5: Solve for x
    x = 36,176,335,936.97/217,375.93
  6. Step 6: Final answer
    x = 166,422.92

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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.