Home / 196,391.91-271,032.45-147,908.31

Finding the Fourth Proportional to 196,391.91, 271,032.45 and 147,908.31

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Solution

The fourth proportional to 196,391.91, 271,032.45 and 147,908.31 is: 204,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,391.91 : 271,032.45 = 147,908.31 : x
  2. Step 2: Convert to fraction form
    196,391.91/271,032.45 = 147,908.31/x
  3. Step 3: Cross multiply
    196,391.91x = 271,032.45 × 147,908.31
  4. Step 4: Simplify right side
    196,391.91x = 40,087,951,634.66
  5. Step 5: Solve for x
    x = 40,087,951,634.66/196,391.91
  6. Step 6: Final answer
    x = 204,122.21

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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.