Home / 172,127.91-237,531.78-95,645.03

Finding the Fourth Proportional to 172,127.91, 237,531.78 and 95,645.03

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Solution

The fourth proportional to 172,127.91, 237,531.78 and 95,645.03 is: 131,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,127.91 : 237,531.78 = 95,645.03 : x
  2. Step 2: Convert to fraction form
    172,127.91/237,531.78 = 95,645.03/x
  3. Step 3: Cross multiply
    172,127.91x = 237,531.78 × 95,645.03
  4. Step 4: Simplify right side
    172,127.91x = 22,718,733,569.95
  5. Step 5: Solve for x
    x = 22,718,733,569.95/172,127.91
  6. Step 6: Final answer
    x = 131,987.51

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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.