Home / 133,213.55-199,899.09-49,032.81

Finding the Fourth Proportional to 133,213.55, 199,899.09 and 49,032.81

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Solution

The fourth proportional to 133,213.55, 199,899.09 and 49,032.81 is: 73,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,213.55 : 199,899.09 = 49,032.81 : x
  2. Step 2: Convert to fraction form
    133,213.55/199,899.09 = 49,032.81/x
  3. Step 3: Cross multiply
    133,213.55x = 199,899.09 × 49,032.81
  4. Step 4: Simplify right side
    133,213.55x = 9,801,614,099.14
  5. Step 5: Solve for x
    x = 9,801,614,099.14/133,213.55
  6. Step 6: Final answer
    x = 73,578.21

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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.