Home / 131,872.18-197,668.81-43,101.85

Finding the Fourth Proportional to 131,872.18, 197,668.81 and 43,101.85

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Solution

The fourth proportional to 131,872.18, 197,668.81 and 43,101.85 is: 64,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,872.18 : 197,668.81 = 43,101.85 : x
  2. Step 2: Convert to fraction form
    131,872.18/197,668.81 = 43,101.85/x
  3. Step 3: Cross multiply
    131,872.18x = 197,668.81 × 43,101.85
  4. Step 4: Simplify right side
    131,872.18x = 8,519,891,398.30
  5. Step 5: Solve for x
    x = 8,519,891,398.30/131,872.18
  6. Step 6: Final answer
    x = 64,607.19

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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.