Home / 191,206.22-263,861.26-106,321.46

Finding the Fourth Proportional to 191,206.22, 263,861.26 and 106,321.46

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Solution

The fourth proportional to 191,206.22, 263,861.26 and 106,321.46 is: 146,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,206.22 : 263,861.26 = 106,321.46 : x
  2. Step 2: Convert to fraction form
    191,206.22/263,861.26 = 106,321.46/x
  3. Step 3: Cross multiply
    191,206.22x = 263,861.26 × 106,321.46
  4. Step 4: Simplify right side
    191,206.22x = 28,054,112,815.53
  5. Step 5: Solve for x
    x = 28,054,112,815.53/191,206.22
  6. Step 6: Final answer
    x = 146,721.76

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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.