Home / 196,198.16-270,750.96-115,629.12

Finding the Fourth Proportional to 196,198.16, 270,750.96 and 115,629.12

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Solution

The fourth proportional to 196,198.16, 270,750.96 and 115,629.12 is: 159,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,198.16 : 270,750.96 = 115,629.12 : x
  2. Step 2: Convert to fraction form
    196,198.16/270,750.96 = 115,629.12/x
  3. Step 3: Cross multiply
    196,198.16x = 270,750.96 × 115,629.12
  4. Step 4: Simplify right side
    196,198.16x = 31,306,695,243.96
  5. Step 5: Solve for x
    x = 31,306,695,243.96/196,198.16
  6. Step 6: Final answer
    x = 159,566.71

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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.