Home / 196,701.18-271,446.39-111,818.25

Finding the Fourth Proportional to 196,701.18, 271,446.39 and 111,818.25

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Solution

The fourth proportional to 196,701.18, 271,446.39 and 111,818.25 is: 154,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,701.18 : 271,446.39 = 111,818.25 : x
  2. Step 2: Convert to fraction form
    196,701.18/271,446.39 = 111,818.25/x
  3. Step 3: Cross multiply
    196,701.18x = 271,446.39 × 111,818.25
  4. Step 4: Simplify right side
    196,701.18x = 30,352,660,298.62
  5. Step 5: Solve for x
    x = 30,352,660,298.62/196,701.18
  6. Step 6: Final answer
    x = 154,308.48

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1.5x scale

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.