Home / 191,245.83-263,917.79-105,202.96

Finding the Fourth Proportional to 191,245.83, 263,917.79 and 105,202.96

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Solution

The fourth proportional to 191,245.83, 263,917.79 and 105,202.96 is: 145,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,245.83 : 263,917.79 = 105,202.96 : x
  2. Step 2: Convert to fraction form
    191,245.83/263,917.79 = 105,202.96/x
  3. Step 3: Cross multiply
    191,245.83x = 263,917.79 × 105,202.96
  4. Step 4: Simplify right side
    191,245.83x = 27,764,933,101.45
  5. Step 5: Solve for x
    x = 27,764,933,101.45/191,245.83
  6. Step 6: Final answer
    x = 145,179.28

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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.