Home / 197,054.78-271,943.12-111,047.96

Finding the Fourth Proportional to 197,054.78, 271,943.12 and 111,047.96

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Solution

The fourth proportional to 197,054.78, 271,943.12 and 111,047.96 is: 153,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,054.78 : 271,943.12 = 111,047.96 : x
  2. Step 2: Convert to fraction form
    197,054.78/271,943.12 = 111,047.96/x
  3. Step 3: Cross multiply
    197,054.78x = 271,943.12 × 111,047.96
  4. Step 4: Simplify right side
    197,054.78x = 30,198,729,669.51
  5. Step 5: Solve for x
    x = 30,198,729,669.51/197,054.78
  6. Step 6: Final answer
    x = 153,250.43

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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.