Home / 199,544.49-275,375.75-108,900.81

Finding the Fourth Proportional to 199,544.49, 275,375.75 and 108,900.81

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Solution

The fourth proportional to 199,544.49, 275,375.75 and 108,900.81 is: 150,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,544.49 : 275,375.75 = 108,900.81 : x
  2. Step 2: Convert to fraction form
    199,544.49/275,375.75 = 108,900.81/x
  3. Step 3: Cross multiply
    199,544.49x = 275,375.75 × 108,900.81
  4. Step 4: Simplify right side
    199,544.49x = 29,988,641,684.85
  5. Step 5: Solve for x
    x = 29,988,641,684.85/199,544.49
  6. Step 6: Final answer
    x = 150,285.49

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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.