Home / 131,676.14-197,514.22-72,481.34

Finding the Fourth Proportional to 131,676.14, 197,514.22 and 72,481.34

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Solution

The fourth proportional to 131,676.14, 197,514.22 and 72,481.34 is: 108,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,676.14 : 197,514.22 = 72,481.34 : x
  2. Step 2: Convert to fraction form
    131,676.14/197,514.22 = 72,481.34/x
  3. Step 3: Cross multiply
    131,676.14x = 197,514.22 × 72,481.34
  4. Step 4: Simplify right side
    131,676.14x = 14,316,095,334.65
  5. Step 5: Solve for x
    x = 14,316,095,334.65/131,676.14
  6. Step 6: Final answer
    x = 108,722.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.