Home / 171,331.80-256,997.70-115,344.60

Finding the Fourth Proportional to 171,331.80, 256,997.70 and 115,344.60

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Solution

The fourth proportional to 171,331.80, 256,997.70 and 115,344.60 is: 173,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,331.80 : 256,997.70 = 115,344.60 : x
  2. Step 2: Convert to fraction form
    171,331.80/256,997.70 = 115,344.60/x
  3. Step 3: Cross multiply
    171,331.80x = 256,997.70 × 115,344.60
  4. Step 4: Simplify right side
    171,331.80x = 29,643,296,907.42
  5. Step 5: Solve for x
    x = 29,643,296,907.42/171,331.80
  6. Step 6: Final answer
    x = 173,016.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.