Home / 199,412.42-275,189.99-108,770.33

Finding the Fourth Proportional to 199,412.42, 275,189.99 and 108,770.33

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Solution

The fourth proportional to 199,412.42, 275,189.99 and 108,770.33 is: 150,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,412.42 : 275,189.99 = 108,770.33 : x
  2. Step 2: Convert to fraction form
    199,412.42/275,189.99 = 108,770.33/x
  3. Step 3: Cross multiply
    199,412.42x = 275,189.99 × 108,770.33
  4. Step 4: Simplify right side
    199,412.42x = 29,932,506,025.00
  5. Step 5: Solve for x
    x = 29,932,506,025.00/199,412.42
  6. Step 6: Final answer
    x = 150,103.52

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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.