Home / 171,255.41-236,380.01-99,649.31

Finding the Fourth Proportional to 171,255.41, 236,380.01 and 99,649.31

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Solution

The fourth proportional to 171,255.41, 236,380.01 and 99,649.31 is: 137,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,255.41 : 236,380.01 = 99,649.31 : x
  2. Step 2: Convert to fraction form
    171,255.41/236,380.01 = 99,649.31/x
  3. Step 3: Cross multiply
    171,255.41x = 236,380.01 × 99,649.31
  4. Step 4: Simplify right side
    171,255.41x = 23,555,104,396.05
  5. Step 5: Solve for x
    x = 23,555,104,396.05/171,255.41
  6. Step 6: Final answer
    x = 137,543.71

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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.