Home / 235,198.72-324,576.48-127,769.56

Finding the Fourth Proportional to 235,198.72, 324,576.48 and 127,769.56

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Solution

The fourth proportional to 235,198.72, 324,576.48 and 127,769.56 is: 176,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,198.72 : 324,576.48 = 127,769.56 : x
  2. Step 2: Convert to fraction form
    235,198.72/324,576.48 = 127,769.56/x
  3. Step 3: Cross multiply
    235,198.72x = 324,576.48 × 127,769.56
  4. Step 4: Simplify right side
    235,198.72x = 41,470,994,035.95
  5. Step 5: Solve for x
    x = 41,470,994,035.95/235,198.72
  6. Step 6: Final answer
    x = 176,323.21

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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.