Home / 325,093.20-448,718.78-189,153.40

Finding the Fourth Proportional to 325,093.20, 448,718.78 and 189,153.40

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Solution

The fourth proportional to 325,093.20, 448,718.78 and 189,153.40 is: 261,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,093.20 : 448,718.78 = 189,153.40 : x
  2. Step 2: Convert to fraction form
    325,093.20/448,718.78 = 189,153.40/x
  3. Step 3: Cross multiply
    325,093.20x = 448,718.78 × 189,153.40
  4. Step 4: Simplify right side
    325,093.20x = 84,876,682,880.85
  5. Step 5: Solve for x
    x = 84,876,682,880.85/325,093.20
  6. Step 6: Final answer
    x = 261,084.15

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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.