Home / 171,240.66-256,751.64-82,317.24

Finding the Fourth Proportional to 171,240.66, 256,751.64 and 82,317.24

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Solution

The fourth proportional to 171,240.66, 256,751.64 and 82,317.24 is: 123,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,240.66 : 256,751.64 = 82,317.24 : x
  2. Step 2: Convert to fraction form
    171,240.66/256,751.64 = 82,317.24/x
  3. Step 3: Cross multiply
    171,240.66x = 256,751.64 × 82,317.24
  4. Step 4: Simplify right side
    171,240.66x = 21,135,086,370.27
  5. Step 5: Solve for x
    x = 21,135,086,370.27/171,240.66
  6. Step 6: Final answer
    x = 123,423.29

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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.