Home / 199,865.25-275,817.66-109,225.04

Finding the Fourth Proportional to 199,865.25, 275,817.66 and 109,225.04

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Solution

The fourth proportional to 199,865.25, 275,817.66 and 109,225.04 is: 150,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,865.25 : 275,817.66 = 109,225.04 : x
  2. Step 2: Convert to fraction form
    199,865.25/275,817.66 = 109,225.04/x
  3. Step 3: Cross multiply
    199,865.25x = 275,817.66 × 109,225.04
  4. Step 4: Simplify right side
    199,865.25x = 30,126,193,567.12
  5. Step 5: Solve for x
    x = 30,126,193,567.12/199,865.25
  6. Step 6: Final answer
    x = 150,732.52

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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.