Home / 259,093.43-388,640.13-101,211.15

Finding the Fourth Proportional to 259,093.43, 388,640.13 and 101,211.15

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Solution

The fourth proportional to 259,093.43, 388,640.13 and 101,211.15 is: 151,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,093.43 : 388,640.13 = 101,211.15 : x
  2. Step 2: Convert to fraction form
    259,093.43/388,640.13 = 101,211.15/x
  3. Step 3: Cross multiply
    259,093.43x = 388,640.13 × 101,211.15
  4. Step 4: Simplify right side
    259,093.43x = 39,334,714,493.45
  5. Step 5: Solve for x
    x = 39,334,714,493.45/259,093.43
  6. Step 6: Final answer
    x = 151,816.72

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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.