Home / 196,533.12-271,216.62-111,654.84

Finding the Fourth Proportional to 196,533.12, 271,216.62 and 111,654.84

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Solution

The fourth proportional to 196,533.12, 271,216.62 and 111,654.84 is: 154,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,533.12 : 271,216.62 = 111,654.84 : x
  2. Step 2: Convert to fraction form
    196,533.12/271,216.62 = 111,654.84/x
  3. Step 3: Cross multiply
    196,533.12x = 271,216.62 × 111,654.84
  4. Step 4: Simplify right side
    196,533.12x = 30,282,648,311.44
  5. Step 5: Solve for x
    x = 30,282,648,311.44/196,533.12
  6. Step 6: Final answer
    x = 154,084.20

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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.