Home / 129,245.54-193,615.58-84,736.44

Finding the Fourth Proportional to 129,245.54, 193,615.58 and 84,736.44

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Solution

The fourth proportional to 129,245.54, 193,615.58 and 84,736.44 is: 126,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,245.54 : 193,615.58 = 84,736.44 : x
  2. Step 2: Convert to fraction form
    129,245.54/193,615.58 = 84,736.44/x
  3. Step 3: Cross multiply
    129,245.54x = 193,615.58 × 84,736.44
  4. Step 4: Simplify right side
    129,245.54x = 16,406,295,189.58
  5. Step 5: Solve for x
    x = 16,406,295,189.58/129,245.54
  6. Step 6: Final answer
    x = 126,938.97

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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.