Home / 171,422.06-256,896.62-129,255.80

Finding the Fourth Proportional to 171,422.06, 256,896.62 and 129,255.80

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Solution

The fourth proportional to 171,422.06, 256,896.62 and 129,255.80 is: 193,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,422.06 : 256,896.62 = 129,255.80 : x
  2. Step 2: Convert to fraction form
    171,422.06/256,896.62 = 129,255.80/x
  3. Step 3: Cross multiply
    171,422.06x = 256,896.62 × 129,255.80
  4. Step 4: Simplify right side
    171,422.06x = 33,205,378,135.40
  5. Step 5: Solve for x
    x = 33,205,378,135.40/171,422.06
  6. Step 6: Final answer
    x = 193,705.40

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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.