Home / 196,942.28-271,770.90-112,051.40

Finding the Fourth Proportional to 196,942.28, 271,770.90 and 112,051.40

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Solution

The fourth proportional to 196,942.28, 271,770.90 and 112,051.40 is: 154,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,942.28 : 271,770.90 = 112,051.40 : x
  2. Step 2: Convert to fraction form
    196,942.28/271,770.90 = 112,051.40/x
  3. Step 3: Cross multiply
    196,942.28x = 271,770.90 × 112,051.40
  4. Step 4: Simplify right side
    196,942.28x = 30,452,309,824.26
  5. Step 5: Solve for x
    x = 30,452,309,824.26/196,942.28
  6. Step 6: Final answer
    x = 154,625.56

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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.