Home / 144,183.31-198,983.96-106,117.14

Finding the Fourth Proportional to 144,183.31, 198,983.96 and 106,117.14

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Solution

The fourth proportional to 144,183.31, 198,983.96 and 106,117.14 is: 146,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,183.31 : 198,983.96 = 106,117.14 : x
  2. Step 2: Convert to fraction form
    144,183.31/198,983.96 = 106,117.14/x
  3. Step 3: Cross multiply
    144,183.31x = 198,983.96 × 106,117.14
  4. Step 4: Simplify right side
    144,183.31x = 21,115,608,741.07
  5. Step 5: Solve for x
    x = 21,115,608,741.07/144,183.31
  6. Step 6: Final answer
    x = 146,449.74

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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.