Home / 199,827.09-275,753.21-109,186.16

Finding the Fourth Proportional to 199,827.09, 275,753.21 and 109,186.16

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Solution

The fourth proportional to 199,827.09, 275,753.21 and 109,186.16 is: 150,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,827.09 : 275,753.21 = 109,186.16 : x
  2. Step 2: Convert to fraction form
    199,827.09/275,753.21 = 109,186.16/x
  3. Step 3: Cross multiply
    199,827.09x = 275,753.21 × 109,186.16
  4. Step 4: Simplify right side
    199,827.09x = 30,108,432,182.88
  5. Step 5: Solve for x
    x = 30,108,432,182.88/199,827.09
  6. Step 6: Final answer
    x = 150,672.42

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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.