Home / 129,778.67-194,668.19-36,284.33

Finding the Fourth Proportional to 129,778.67, 194,668.19 and 36,284.33

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Solution

The fourth proportional to 129,778.67, 194,668.19 and 36,284.33 is: 54,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,778.67 : 194,668.19 = 36,284.33 : x
  2. Step 2: Convert to fraction form
    129,778.67/194,668.19 = 36,284.33/x
  3. Step 3: Cross multiply
    129,778.67x = 194,668.19 × 36,284.33
  4. Step 4: Simplify right side
    129,778.67x = 7,063,404,665.04
  5. Step 5: Solve for x
    x = 7,063,404,665.04/129,778.67
  6. Step 6: Final answer
    x = 54,426.55

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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.