Home / 171,515.86-236,616.45-103,494.91

Finding the Fourth Proportional to 171,515.86, 236,616.45 and 103,494.91

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Solution

The fourth proportional to 171,515.86, 236,616.45 and 103,494.91 is: 142,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,515.86 : 236,616.45 = 103,494.91 : x
  2. Step 2: Convert to fraction form
    171,515.86/236,616.45 = 103,494.91/x
  3. Step 3: Cross multiply
    171,515.86x = 236,616.45 × 103,494.91
  4. Step 4: Simplify right side
    171,515.86x = 24,488,598,197.27
  5. Step 5: Solve for x
    x = 24,488,598,197.27/171,515.86
  6. Step 6: Final answer
    x = 142,777.46

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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.