Home / 196,534.94-271,219.13-111,656.66

Finding the Fourth Proportional to 196,534.94, 271,219.13 and 111,656.66

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Solution

The fourth proportional to 196,534.94, 271,219.13 and 111,656.66 is: 154,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,534.94 : 271,219.13 = 111,656.66 : x
  2. Step 2: Convert to fraction form
    196,534.94/271,219.13 = 111,656.66/x
  3. Step 3: Cross multiply
    196,534.94x = 271,219.13 × 111,656.66
  4. Step 4: Simplify right side
    196,534.94x = 30,283,420,269.53
  5. Step 5: Solve for x
    x = 30,283,420,269.53/196,534.94
  6. Step 6: Final answer
    x = 154,086.70

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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.