Home / 196,078.20-270,587.89-106,654.20

Finding the Fourth Proportional to 196,078.20, 270,587.89 and 106,654.20

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Solution

The fourth proportional to 196,078.20, 270,587.89 and 106,654.20 is: 147,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,078.20 : 270,587.89 = 106,654.20 : x
  2. Step 2: Convert to fraction form
    196,078.20/270,587.89 = 106,654.20/x
  3. Step 3: Cross multiply
    196,078.20x = 270,587.89 × 106,654.20
  4. Step 4: Simplify right side
    196,078.20x = 28,859,334,937.64
  5. Step 5: Solve for x
    x = 28,859,334,937.64/196,078.20
  6. Step 6: Final answer
    x = 147,182.78

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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.