Home / 325,091.34-448,716.23-189,151.55

Finding the Fourth Proportional to 325,091.34, 448,716.23 and 189,151.55

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Solution

The fourth proportional to 325,091.34, 448,716.23 and 189,151.55 is: 261,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,091.34 : 448,716.23 = 189,151.55 : x
  2. Step 2: Convert to fraction form
    325,091.34/448,716.23 = 189,151.55/x
  3. Step 3: Cross multiply
    325,091.34x = 448,716.23 × 189,151.55
  4. Step 4: Simplify right side
    325,091.34x = 84,875,370,414.66
  5. Step 5: Solve for x
    x = 84,875,370,414.66/325,091.34
  6. Step 6: Final answer
    x = 261,081.61

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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.