Home / 199,731.62-275,593.12-113,685.55

Finding the Fourth Proportional to 199,731.62, 275,593.12 and 113,685.55

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Solution

The fourth proportional to 199,731.62, 275,593.12 and 113,685.55 is: 156,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,731.62 : 275,593.12 = 113,685.55 : x
  2. Step 2: Convert to fraction form
    199,731.62/275,593.12 = 113,685.55/x
  3. Step 3: Cross multiply
    199,731.62x = 275,593.12 × 113,685.55
  4. Step 4: Simplify right side
    199,731.62x = 31,330,954,450.22
  5. Step 5: Solve for x
    x = 31,330,954,450.22/199,731.62
  6. Step 6: Final answer
    x = 156,865.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.