Home / 150,979.30-208,354.04-82,999.14

Finding the Fourth Proportional to 150,979.30, 208,354.04 and 82,999.14

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Solution

The fourth proportional to 150,979.30, 208,354.04 and 82,999.14 is: 114,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,979.30 : 208,354.04 = 82,999.14 : x
  2. Step 2: Convert to fraction form
    150,979.30/208,354.04 = 82,999.14/x
  3. Step 3: Cross multiply
    150,979.30x = 208,354.04 × 82,999.14
  4. Step 4: Simplify right side
    150,979.30x = 17,293,206,135.53
  5. Step 5: Solve for x
    x = 17,293,206,135.53/150,979.30
  6. Step 6: Final answer
    x = 114,540.25

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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.