Home / 197,713.56-272,864.34-112,843.44

Finding the Fourth Proportional to 197,713.56, 272,864.34 and 112,843.44

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Solution

The fourth proportional to 197,713.56, 272,864.34 and 112,843.44 is: 155,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,713.56 : 272,864.34 = 112,843.44 : x
  2. Step 2: Convert to fraction form
    197,713.56/272,864.34 = 112,843.44/x
  3. Step 3: Cross multiply
    197,713.56x = 272,864.34 × 112,843.44
  4. Step 4: Simplify right side
    197,713.56x = 30,790,950,778.93
  5. Step 5: Solve for x
    x = 30,790,950,778.93/197,713.56
  6. Step 6: Final answer
    x = 155,735.15

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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.