Home / 199,680.23-275,569.88-109,044.63

Finding the Fourth Proportional to 199,680.23, 275,569.88 and 109,044.63

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Solution

The fourth proportional to 199,680.23, 275,569.88 and 109,044.63 is: 150,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,680.23 : 275,569.88 = 109,044.63 : x
  2. Step 2: Convert to fraction form
    199,680.23/275,569.88 = 109,044.63/x
  3. Step 3: Cross multiply
    199,680.23x = 275,569.88 × 109,044.63
  4. Step 4: Simplify right side
    199,680.23x = 30,049,414,225.90
  5. Step 5: Solve for x
    x = 30,049,414,225.90/199,680.23
  6. Step 6: Final answer
    x = 150,487.68

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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.