Home / 191,083.66-263,693.55-106,198.90

Finding the Fourth Proportional to 191,083.66, 263,693.55 and 106,198.90

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Solution

The fourth proportional to 191,083.66, 263,693.55 and 106,198.90 is: 146,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,083.66 : 263,693.55 = 106,198.90 : x
  2. Step 2: Convert to fraction form
    191,083.66/263,693.55 = 106,198.90/x
  3. Step 3: Cross multiply
    191,083.66x = 263,693.55 × 106,198.90
  4. Step 4: Simplify right side
    191,083.66x = 28,003,964,947.10
  5. Step 5: Solve for x
    x = 28,003,964,947.10/191,083.66
  6. Step 6: Final answer
    x = 146,553.43

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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.