Home / 196,657.55-271,385.45-109,441.18

Finding the Fourth Proportional to 196,657.55, 271,385.45 and 109,441.18

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Solution

The fourth proportional to 196,657.55, 271,385.45 and 109,441.18 is: 151,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,657.55 : 271,385.45 = 109,441.18 : x
  2. Step 2: Convert to fraction form
    196,657.55/271,385.45 = 109,441.18/x
  3. Step 3: Cross multiply
    196,657.55x = 271,385.45 × 109,441.18
  4. Step 4: Simplify right side
    196,657.55x = 29,700,741,978.70
  5. Step 5: Solve for x
    x = 29,700,741,978.70/196,657.55
  6. Step 6: Final answer
    x = 151,027.72

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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.