Home / 196,591.56-271,296.06-111,708.60

Finding the Fourth Proportional to 196,591.56, 271,296.06 and 111,708.60

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Solution

The fourth proportional to 196,591.56, 271,296.06 and 111,708.60 is: 154,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,591.56 : 271,296.06 = 111,708.60 : x
  2. Step 2: Convert to fraction form
    196,591.56/271,296.06 = 111,708.60/x
  3. Step 3: Cross multiply
    196,591.56x = 271,296.06 × 111,708.60
  4. Step 4: Simplify right side
    196,591.56x = 30,306,103,048.12
  5. Step 5: Solve for x
    x = 30,306,103,048.12/196,591.56
  6. Step 6: Final answer
    x = 154,157.70

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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.