Home / 388,170.24-582,249.78-121,946.73

Finding the Fourth Proportional to 388,170.24, 582,249.78 and 121,946.73

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Solution

The fourth proportional to 388,170.24, 582,249.78 and 121,946.73 is: 182,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,170.24 : 582,249.78 = 121,946.73 : x
  2. Step 2: Convert to fraction form
    388,170.24/582,249.78 = 121,946.73/x
  3. Step 3: Cross multiply
    388,170.24x = 582,249.78 × 121,946.73
  4. Step 4: Simplify right side
    388,170.24x = 71,003,456,714.22
  5. Step 5: Solve for x
    x = 71,003,456,714.22/388,170.24
  6. Step 6: Final answer
    x = 182,918.34

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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.