Home / 133,327.43-199,991.15-53,401.69

Finding the Fourth Proportional to 133,327.43, 199,991.15 and 53,401.69

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Solution

The fourth proportional to 133,327.43, 199,991.15 and 53,401.69 is: 80,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,327.43 : 199,991.15 = 53,401.69 : x
  2. Step 2: Convert to fraction form
    133,327.43/199,991.15 = 53,401.69/x
  3. Step 3: Cross multiply
    133,327.43x = 199,991.15 × 53,401.69
  4. Step 4: Simplify right side
    133,327.43x = 10,679,865,395.04
  5. Step 5: Solve for x
    x = 10,679,865,395.04/133,327.43
  6. Step 6: Final answer
    x = 80,102.54

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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.