Home / 199,855.24-275,796.90-109,209.22

Finding the Fourth Proportional to 199,855.24, 275,796.90 and 109,209.22

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Solution

The fourth proportional to 199,855.24, 275,796.90 and 109,209.22 is: 150,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,855.24 : 275,796.90 = 109,209.22 : x
  2. Step 2: Convert to fraction form
    199,855.24/275,796.90 = 109,209.22/x
  3. Step 3: Cross multiply
    199,855.24x = 275,796.90 × 109,209.22
  4. Step 4: Simplify right side
    199,855.24x = 30,119,563,637.93
  5. Step 5: Solve for x
    x = 30,119,563,637.93/199,855.24
  6. Step 6: Final answer
    x = 150,706.90

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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.