Home / 199,427.33-275,213.56-108,786.62

Finding the Fourth Proportional to 199,427.33, 275,213.56 and 108,786.62

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Solution

The fourth proportional to 199,427.33, 275,213.56 and 108,786.62 is: 150,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,427.33 : 275,213.56 = 108,786.62 : x
  2. Step 2: Convert to fraction form
    199,427.33/275,213.56 = 108,786.62/x
  3. Step 3: Cross multiply
    199,427.33x = 275,213.56 × 108,786.62
  4. Step 4: Simplify right side
    199,427.33x = 29,939,552,969.55
  5. Step 5: Solve for x
    x = 29,939,552,969.55/199,427.33
  6. Step 6: Final answer
    x = 150,127.63

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1.5x scale

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.