Home / 199,816.48-275,743.53-109,170.49

Finding the Fourth Proportional to 199,816.48, 275,743.53 and 109,170.49

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Solution

The fourth proportional to 199,816.48, 275,743.53 and 109,170.49 is: 150,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,816.48 : 275,743.53 = 109,170.49 : x
  2. Step 2: Convert to fraction form
    199,816.48/275,743.53 = 109,170.49/x
  3. Step 3: Cross multiply
    199,816.48x = 275,743.53 × 109,170.49
  4. Step 4: Simplify right side
    199,816.48x = 30,103,056,284.43
  5. Step 5: Solve for x
    x = 30,103,056,284.43/199,816.48
  6. Step 6: Final answer
    x = 150,653.52

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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.