Home / 196,645.47-271,416.27-125,011.65

Finding the Fourth Proportional to 196,645.47, 271,416.27 and 125,011.65

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Solution

The fourth proportional to 196,645.47, 271,416.27 and 125,011.65 is: 172,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,645.47 : 271,416.27 = 125,011.65 : x
  2. Step 2: Convert to fraction form
    196,645.47/271,416.27 = 125,011.65/x
  3. Step 3: Cross multiply
    196,645.47x = 271,416.27 × 125,011.65
  4. Step 4: Simplify right side
    196,645.47x = 33,930,196,532.96
  5. Step 5: Solve for x
    x = 33,930,196,532.96/196,645.47
  6. Step 6: Final answer
    x = 172,545.02

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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.