Home / 197,976.03-273,208.80-107,331.76

Finding the Fourth Proportional to 197,976.03, 273,208.80 and 107,331.76

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Solution

The fourth proportional to 197,976.03, 273,208.80 and 107,331.76 is: 148,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,976.03 : 273,208.80 = 107,331.76 : x
  2. Step 2: Convert to fraction form
    197,976.03/273,208.80 = 107,331.76/x
  3. Step 3: Cross multiply
    197,976.03x = 273,208.80 × 107,331.76
  4. Step 4: Simplify right side
    197,976.03x = 29,323,981,351.49
  5. Step 5: Solve for x
    x = 29,323,981,351.49/197,976.03
  6. Step 6: Final answer
    x = 148,118.85

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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.