Home / 191,150.49-263,794.44-105,116.04

Finding the Fourth Proportional to 191,150.49, 263,794.44 and 105,116.04

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Solution

The fourth proportional to 191,150.49, 263,794.44 and 105,116.04 is: 145,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,150.49 : 263,794.44 = 105,116.04 : x
  2. Step 2: Convert to fraction form
    191,150.49/263,794.44 = 105,116.04/x
  3. Step 3: Cross multiply
    191,150.49x = 263,794.44 × 105,116.04
  4. Step 4: Simplify right side
    191,150.49x = 27,729,026,906.82
  5. Step 5: Solve for x
    x = 27,729,026,906.82/191,150.49
  6. Step 6: Final answer
    x = 145,063.85

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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.