Home / 197,073.55-271,961.76-112,190.50

Finding the Fourth Proportional to 197,073.55, 271,961.76 and 112,190.50

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Solution

The fourth proportional to 197,073.55, 271,961.76 and 112,190.50 is: 154,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,073.55 : 271,961.76 = 112,190.50 : x
  2. Step 2: Convert to fraction form
    197,073.55/271,961.76 = 112,190.50/x
  3. Step 3: Cross multiply
    197,073.55x = 271,961.76 × 112,190.50
  4. Step 4: Simplify right side
    197,073.55x = 30,511,525,835.28
  5. Step 5: Solve for x
    x = 30,511,525,835.28/197,073.55
  6. Step 6: Final answer
    x = 154,823.04

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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.