Home / 196,712.66-271,506.40-125,078.70

Finding the Fourth Proportional to 196,712.66, 271,506.40 and 125,078.70

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Solution

The fourth proportional to 196,712.66, 271,506.40 and 125,078.70 is: 172,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,712.66 : 271,506.40 = 125,078.70 : x
  2. Step 2: Convert to fraction form
    196,712.66/271,506.40 = 125,078.70/x
  3. Step 3: Cross multiply
    196,712.66x = 271,506.40 × 125,078.70
  4. Step 4: Simplify right side
    196,712.66x = 33,959,667,553.68
  5. Step 5: Solve for x
    x = 33,959,667,553.68/196,712.66
  6. Step 6: Final answer
    x = 172,635.90

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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.