Home / 197,074.56-271,963.14-112,191.50

Finding the Fourth Proportional to 197,074.56, 271,963.14 and 112,191.50

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Solution

The fourth proportional to 197,074.56, 271,963.14 and 112,191.50 is: 154,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,074.56 : 271,963.14 = 112,191.50 : x
  2. Step 2: Convert to fraction form
    197,074.56/271,963.14 = 112,191.50/x
  3. Step 3: Cross multiply
    197,074.56x = 271,963.14 × 112,191.50
  4. Step 4: Simplify right side
    197,074.56x = 30,511,952,621.31
  5. Step 5: Solve for x
    x = 30,511,952,621.31/197,074.56
  6. Step 6: Final answer
    x = 154,824.41

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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.