Home / 199,836.54-275,771.16-109,190.52

Finding the Fourth Proportional to 199,836.54, 275,771.16 and 109,190.52

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Solution

The fourth proportional to 199,836.54, 275,771.16 and 109,190.52 is: 150,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,836.54 : 275,771.16 = 109,190.52 : x
  2. Step 2: Convert to fraction form
    199,836.54/275,771.16 = 109,190.52/x
  3. Step 3: Cross multiply
    199,836.54x = 275,771.16 × 109,190.52
  4. Step 4: Simplify right side
    199,836.54x = 30,111,596,361.40
  5. Step 5: Solve for x
    x = 30,111,596,361.40/199,836.54
  6. Step 6: Final answer
    x = 150,681.13

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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.