Home / 129,173.22-193,774.41-54,279.41

Finding the Fourth Proportional to 129,173.22, 193,774.41 and 54,279.41

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Solution

The fourth proportional to 129,173.22, 193,774.41 and 54,279.41 is: 81,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,173.22 : 193,774.41 = 54,279.41 : x
  2. Step 2: Convert to fraction form
    129,173.22/193,774.41 = 54,279.41/x
  3. Step 3: Cross multiply
    129,173.22x = 193,774.41 × 54,279.41
  4. Step 4: Simplify right side
    129,173.22x = 10,517,959,679.03
  5. Step 5: Solve for x
    x = 10,517,959,679.03/129,173.22
  6. Step 6: Final answer
    x = 81,425.23

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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.