Home / 199,751.42-275,655.14-109,107.38

Finding the Fourth Proportional to 199,751.42, 275,655.14 and 109,107.38

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Solution

The fourth proportional to 199,751.42, 275,655.14 and 109,107.38 is: 150,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,751.42 : 275,655.14 = 109,107.38 : x
  2. Step 2: Convert to fraction form
    199,751.42/275,655.14 = 109,107.38/x
  3. Step 3: Cross multiply
    199,751.42x = 275,655.14 × 109,107.38
  4. Step 4: Simplify right side
    199,751.42x = 30,076,009,003.43
  5. Step 5: Solve for x
    x = 30,076,009,003.43/199,751.42
  6. Step 6: Final answer
    x = 150,567.18

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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.