Home / 106,398.22-146,839.88-79,494.02

Finding the Fourth Proportional to 106,398.22, 146,839.88 and 79,494.02

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Solution

The fourth proportional to 106,398.22, 146,839.88 and 79,494.02 is: 109,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,398.22 : 146,839.88 = 79,494.02 : x
  2. Step 2: Convert to fraction form
    106,398.22/146,839.88 = 79,494.02/x
  3. Step 3: Cross multiply
    106,398.22x = 146,839.88 × 79,494.02
  4. Step 4: Simplify right side
    106,398.22x = 11,672,891,960.05
  5. Step 5: Solve for x
    x = 11,672,891,960.05/106,398.22
  6. Step 6: Final answer
    x = 109,709.47

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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.