Home / 196,534.64-271,216.46-111,651.72

Finding the Fourth Proportional to 196,534.64, 271,216.46 and 111,651.72

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Solution

The fourth proportional to 196,534.64, 271,216.46 and 111,651.72 is: 154,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,534.64 : 271,216.46 = 111,651.72 : x
  2. Step 2: Convert to fraction form
    196,534.64/271,216.46 = 111,651.72/x
  3. Step 3: Cross multiply
    196,534.64x = 271,216.46 × 111,651.72
  4. Step 4: Simplify right side
    196,534.64x = 30,281,784,251.31
  5. Step 5: Solve for x
    x = 30,281,784,251.31/196,534.64
  6. Step 6: Final answer
    x = 154,078.61

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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.