Home / 163,144.83-244,728.91-68,279.56

Finding the Fourth Proportional to 163,144.83, 244,728.91 and 68,279.56

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Solution

The fourth proportional to 163,144.83, 244,728.91 and 68,279.56 is: 102,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,144.83 : 244,728.91 = 68,279.56 : x
  2. Step 2: Convert to fraction form
    163,144.83/244,728.91 = 68,279.56/x
  3. Step 3: Cross multiply
    163,144.83x = 244,728.91 × 68,279.56
  4. Step 4: Simplify right side
    163,144.83x = 16,709,981,767.61
  5. Step 5: Solve for x
    x = 16,709,981,767.61/163,144.83
  6. Step 6: Final answer
    x = 102,424.22

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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.