Home / 197,989.71-273,231.17-111,961.57

Finding the Fourth Proportional to 197,989.71, 273,231.17 and 111,961.57

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Solution

The fourth proportional to 197,989.71, 273,231.17 and 111,961.57 is: 154,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,989.71 : 273,231.17 = 111,961.57 : x
  2. Step 2: Convert to fraction form
    197,989.71/273,231.17 = 111,961.57/x
  3. Step 3: Cross multiply
    197,989.71x = 273,231.17 × 111,961.57
  4. Step 4: Simplify right side
    197,989.71x = 30,591,390,316.74
  5. Step 5: Solve for x
    x = 30,591,390,316.74/197,989.71
  6. Step 6: Final answer
    x = 154,510.00

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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.