Home / 279,833.37-386,060.22-172,216.57

Finding the Fourth Proportional to 279,833.37, 386,060.22 and 172,216.57

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Solution

The fourth proportional to 279,833.37, 386,060.22 and 172,216.57 is: 237,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,833.37 : 386,060.22 = 172,216.57 : x
  2. Step 2: Convert to fraction form
    279,833.37/386,060.22 = 172,216.57/x
  3. Step 3: Cross multiply
    279,833.37x = 386,060.22 × 172,216.57
  4. Step 4: Simplify right side
    279,833.37x = 66,485,965,936.69
  5. Step 5: Solve for x
    x = 66,485,965,936.69/279,833.37
  6. Step 6: Final answer
    x = 237,591.27

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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.