Home / 127,616.66-191,433.78-43,342.43

Finding the Fourth Proportional to 127,616.66, 191,433.78 and 43,342.43

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Solution

The fourth proportional to 127,616.66, 191,433.78 and 43,342.43 is: 65,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616.66 : 191,433.78 = 43,342.43 : x
  2. Step 2: Convert to fraction form
    127,616.66/191,433.78 = 43,342.43/x
  3. Step 3: Cross multiply
    127,616.66x = 191,433.78 × 43,342.43
  4. Step 4: Simplify right side
    127,616.66x = 8,297,205,209.29
  5. Step 5: Solve for x
    x = 8,297,205,209.29/127,616.66
  6. Step 6: Final answer
    x = 65,016.63

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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.