Home / 196,314.93-270,843.44-111,382.78

Finding the Fourth Proportional to 196,314.93, 270,843.44 and 111,382.78

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Solution

The fourth proportional to 196,314.93, 270,843.44 and 111,382.78 is: 153,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,314.93 : 270,843.44 = 111,382.78 : x
  2. Step 2: Convert to fraction form
    196,314.93/270,843.44 = 111,382.78/x
  3. Step 3: Cross multiply
    196,314.93x = 270,843.44 × 111,382.78
  4. Step 4: Simplify right side
    196,314.93x = 30,167,295,291.96
  5. Step 5: Solve for x
    x = 30,167,295,291.96/196,314.93
  6. Step 6: Final answer
    x = 153,667.86

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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.