Home / 171,221.19-236,380.26-103,255.38

Finding the Fourth Proportional to 171,221.19, 236,380.26 and 103,255.38

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Solution

The fourth proportional to 171,221.19, 236,380.26 and 103,255.38 is: 142,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,221.19 : 236,380.26 = 103,255.38 : x
  2. Step 2: Convert to fraction form
    171,221.19/236,380.26 = 103,255.38/x
  3. Step 3: Cross multiply
    171,221.19x = 236,380.26 × 103,255.38
  4. Step 4: Simplify right side
    171,221.19x = 24,407,533,570.80
  5. Step 5: Solve for x
    x = 24,407,533,570.80/171,221.19
  6. Step 6: Final answer
    x = 142,549.73

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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.