Home / 252,705.11-379,147.91-108,550.36

Finding the Fourth Proportional to 252,705.11, 379,147.91 and 108,550.36

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Solution

The fourth proportional to 252,705.11, 379,147.91 and 108,550.36 is: 162,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,705.11 : 379,147.91 = 108,550.36 : x
  2. Step 2: Convert to fraction form
    252,705.11/379,147.91 = 108,550.36/x
  3. Step 3: Cross multiply
    252,705.11x = 379,147.91 × 108,550.36
  4. Step 4: Simplify right side
    252,705.11x = 41,156,642,054.93
  5. Step 5: Solve for x
    x = 41,156,642,054.93/252,705.11
  6. Step 6: Final answer
    x = 162,864.31

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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.