Home / 129,993.21-195,018.99-41,249.61

Finding the Fourth Proportional to 129,993.21, 195,018.99 and 41,249.61

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Solution

The fourth proportional to 129,993.21, 195,018.99 and 41,249.61 is: 61,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,993.21 : 195,018.99 = 41,249.61 : x
  2. Step 2: Convert to fraction form
    129,993.21/195,018.99 = 41,249.61/x
  3. Step 3: Cross multiply
    129,993.21x = 195,018.99 × 41,249.61
  4. Step 4: Simplify right side
    129,993.21x = 8,044,457,280.09
  5. Step 5: Solve for x
    x = 8,044,457,280.09/129,993.21
  6. Step 6: Final answer
    x = 61,883.67

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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.