Home / 196,970.13-271,817.10-112,091.85

Finding the Fourth Proportional to 196,970.13, 271,817.10 and 112,091.85

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Solution

The fourth proportional to 196,970.13, 271,817.10 and 112,091.85 is: 154,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,970.13 : 271,817.10 = 112,091.85 : x
  2. Step 2: Convert to fraction form
    196,970.13/271,817.10 = 112,091.85/x
  3. Step 3: Cross multiply
    196,970.13x = 271,817.10 × 112,091.85
  4. Step 4: Simplify right side
    196,970.13x = 30,468,481,600.64
  5. Step 5: Solve for x
    x = 30,468,481,600.64/196,970.13
  6. Step 6: Final answer
    x = 154,685.80

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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.