Home / 197,878.05-273,055.46-111,844.37

Finding the Fourth Proportional to 197,878.05, 273,055.46 and 111,844.37

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Solution

The fourth proportional to 197,878.05, 273,055.46 and 111,844.37 is: 154,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,878.05 : 273,055.46 = 111,844.37 : x
  2. Step 2: Convert to fraction form
    197,878.05/273,055.46 = 111,844.37/x
  3. Step 3: Cross multiply
    197,878.05x = 273,055.46 × 111,844.37
  4. Step 4: Simplify right side
    197,878.05x = 30,539,716,022.18
  5. Step 5: Solve for x
    x = 30,539,716,022.18/197,878.05
  6. Step 6: Final answer
    x = 154,336.05

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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.