Home / 133,052.10-199,578.15-115,167.30

Finding the Fourth Proportional to 133,052.10, 199,578.15 and 115,167.30

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Solution

The fourth proportional to 133,052.10, 199,578.15 and 115,167.30 is: 172,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.10 : 199,578.15 = 115,167.30 : x
  2. Step 2: Convert to fraction form
    133,052.10/199,578.15 = 115,167.30/x
  3. Step 3: Cross multiply
    133,052.10x = 199,578.15 × 115,167.30
  4. Step 4: Simplify right side
    133,052.10x = 22,984,876,674.50
  5. Step 5: Solve for x
    x = 22,984,876,674.50/133,052.10
  6. Step 6: Final answer
    x = 172,750.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.