Home / 171,185.15-236,161.24-103,163.49

Finding the Fourth Proportional to 171,185.15, 236,161.24 and 103,163.49

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Solution

The fourth proportional to 171,185.15, 236,161.24 and 103,163.49 is: 142,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,185.15 : 236,161.24 = 103,163.49 : x
  2. Step 2: Convert to fraction form
    171,185.15/236,161.24 = 103,163.49/x
  3. Step 3: Cross multiply
    171,185.15x = 236,161.24 × 103,163.49
  4. Step 4: Simplify right side
    171,185.15x = 24,363,217,463.22
  5. Step 5: Solve for x
    x = 24,363,217,463.22/171,185.15
  6. Step 6: Final answer
    x = 142,320.86

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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.