Home / 129,299.44-193,949.07-40,559.80

Finding the Fourth Proportional to 129,299.44, 193,949.07 and 40,559.80

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Solution

The fourth proportional to 129,299.44, 193,949.07 and 40,559.80 is: 60,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,299.44 : 193,949.07 = 40,559.80 : x
  2. Step 2: Convert to fraction form
    129,299.44/193,949.07 = 40,559.80/x
  3. Step 3: Cross multiply
    129,299.44x = 193,949.07 × 40,559.80
  4. Step 4: Simplify right side
    129,299.44x = 7,866,535,489.39
  5. Step 5: Solve for x
    x = 7,866,535,489.39/129,299.44
  6. Step 6: Final answer
    x = 60,839.67

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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.