Home / 197,791.20-272,952.69-107,147.16

Finding the Fourth Proportional to 197,791.20, 272,952.69 and 107,147.16

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Solution

The fourth proportional to 197,791.20, 272,952.69 and 107,147.16 is: 147,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,791.20 : 272,952.69 = 107,147.16 : x
  2. Step 2: Convert to fraction form
    197,791.20/272,952.69 = 107,147.16/x
  3. Step 3: Cross multiply
    197,791.20x = 272,952.69 × 107,147.16
  4. Step 4: Simplify right side
    197,791.20x = 29,246,105,012.12
  5. Step 5: Solve for x
    x = 29,246,105,012.12/197,791.20
  6. Step 6: Final answer
    x = 147,863.53

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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.