Home / 196,657.92-271,387.35-111,791.34

Finding the Fourth Proportional to 196,657.92, 271,387.35 and 111,791.34

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Solution

The fourth proportional to 196,657.92, 271,387.35 and 111,791.34 is: 154,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,657.92 : 271,387.35 = 111,791.34 : x
  2. Step 2: Convert to fraction form
    196,657.92/271,387.35 = 111,791.34/x
  3. Step 3: Cross multiply
    196,657.92x = 271,387.35 × 111,791.34
  4. Step 4: Simplify right side
    196,657.92x = 30,338,755,515.55
  5. Step 5: Solve for x
    x = 30,338,755,515.55/196,657.92
  6. Step 6: Final answer
    x = 154,271.72

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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.