Home / 144,229.88-199,005.27-82,972.31

Finding the Fourth Proportional to 144,229.88, 199,005.27 and 82,972.31

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Solution

The fourth proportional to 144,229.88, 199,005.27 and 82,972.31 is: 114,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,229.88 : 199,005.27 = 82,972.31 : x
  2. Step 2: Convert to fraction form
    144,229.88/199,005.27 = 82,972.31/x
  3. Step 3: Cross multiply
    144,229.88x = 199,005.27 × 82,972.31
  4. Step 4: Simplify right side
    144,229.88x = 16,511,927,234.03
  5. Step 5: Solve for x
    x = 16,511,927,234.03/144,229.88
  6. Step 6: Final answer
    x = 114,483.40

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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.