Home / 199,849.41-275,792.91-109,205.38

Finding the Fourth Proportional to 199,849.41, 275,792.91 and 109,205.38

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Solution

The fourth proportional to 199,849.41, 275,792.91 and 109,205.38 is: 150,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,849.41 : 275,792.91 = 109,205.38 : x
  2. Step 2: Convert to fraction form
    199,849.41/275,792.91 = 109,205.38/x
  3. Step 3: Cross multiply
    199,849.41x = 275,792.91 × 109,205.38
  4. Step 4: Simplify right side
    199,849.41x = 30,118,069,537.86
  5. Step 5: Solve for x
    x = 30,118,069,537.86/199,849.41
  6. Step 6: Final answer
    x = 150,703.82

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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.