Home / 188,028.08-259,517.88-172,896.80

Finding the Fourth Proportional to 188,028.08, 259,517.88 and 172,896.80

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Solution

The fourth proportional to 188,028.08, 259,517.88 and 172,896.80 is: 238,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,028.08 : 259,517.88 = 172,896.80 : x
  2. Step 2: Convert to fraction form
    188,028.08/259,517.88 = 172,896.80/x
  3. Step 3: Cross multiply
    188,028.08x = 259,517.88 × 172,896.80
  4. Step 4: Simplify right side
    188,028.08x = 44,869,810,994.78
  5. Step 5: Solve for x
    x = 44,869,810,994.78/188,028.08
  6. Step 6: Final answer
    x = 238,633.56

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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.