Home / 172,072.35-237,363.62-108,299.43

Finding the Fourth Proportional to 172,072.35, 237,363.62 and 108,299.43

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Solution

The fourth proportional to 172,072.35, 237,363.62 and 108,299.43 is: 149,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,072.35 : 237,363.62 = 108,299.43 : x
  2. Step 2: Convert to fraction form
    172,072.35/237,363.62 = 108,299.43/x
  3. Step 3: Cross multiply
    172,072.35x = 237,363.62 × 108,299.43
  4. Step 4: Simplify right side
    172,072.35x = 25,706,344,207.24
  5. Step 5: Solve for x
    x = 25,706,344,207.24/172,072.35
  6. Step 6: Final answer
    x = 149,392.65

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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.