Home / 197,743.67-272,910.24-111,706.28

Finding the Fourth Proportional to 197,743.67, 272,910.24 and 111,706.28

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Solution

The fourth proportional to 197,743.67, 272,910.24 and 111,706.28 is: 154,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,743.67 : 272,910.24 = 111,706.28 : x
  2. Step 2: Convert to fraction form
    197,743.67/272,910.24 = 111,706.28/x
  3. Step 3: Cross multiply
    197,743.67x = 272,910.24 × 111,706.28
  4. Step 4: Simplify right side
    197,743.67x = 30,485,787,947.68
  5. Step 5: Solve for x
    x = 30,485,787,947.68/197,743.67
  6. Step 6: Final answer
    x = 154,168.21

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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.