Home / 172,005.84-258,025.05-66,832.92

Finding the Fourth Proportional to 172,005.84, 258,025.05 and 66,832.92

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Solution

The fourth proportional to 172,005.84, 258,025.05 and 66,832.92 is: 100,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,005.84 : 258,025.05 = 66,832.92 : x
  2. Step 2: Convert to fraction form
    172,005.84/258,025.05 = 66,832.92/x
  3. Step 3: Cross multiply
    172,005.84x = 258,025.05 × 66,832.92
  4. Step 4: Simplify right side
    172,005.84x = 17,244,567,524.65
  5. Step 5: Solve for x
    x = 17,244,567,524.65/172,005.84
  6. Step 6: Final answer
    x = 100,255.71

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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.