Home / 199,853.72-275,786.51-109,210.43

Finding the Fourth Proportional to 199,853.72, 275,786.51 and 109,210.43

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Solution

The fourth proportional to 199,853.72, 275,786.51 and 109,210.43 is: 150,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,853.72 : 275,786.51 = 109,210.43 : x
  2. Step 2: Convert to fraction form
    199,853.72/275,786.51 = 109,210.43/x
  3. Step 3: Cross multiply
    199,853.72x = 275,786.51 × 109,210.43
  4. Step 4: Simplify right side
    199,853.72x = 30,118,762,398.15
  5. Step 5: Solve for x
    x = 30,118,762,398.15/199,853.72
  6. Step 6: Final answer
    x = 150,704.04

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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.