Home / 197,754.97-272,901.21-107,110.72

Finding the Fourth Proportional to 197,754.97, 272,901.21 and 107,110.72

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Solution

The fourth proportional to 197,754.97, 272,901.21 and 107,110.72 is: 147,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,754.97 : 272,901.21 = 107,110.72 : x
  2. Step 2: Convert to fraction form
    197,754.97/272,901.21 = 107,110.72/x
  3. Step 3: Cross multiply
    197,754.97x = 272,901.21 × 107,110.72
  4. Step 4: Simplify right side
    197,754.97x = 29,230,645,091.97
  5. Step 5: Solve for x
    x = 29,230,645,091.97/197,754.97
  6. Step 6: Final answer
    x = 147,812.44

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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.