Home / 179,786.76-269,610.06-67,405.67

Finding the Fourth Proportional to 179,786.76, 269,610.06 and 67,405.67

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Solution

The fourth proportional to 179,786.76, 269,610.06 and 67,405.67 is: 101,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,786.76 : 269,610.06 = 67,405.67 : x
  2. Step 2: Convert to fraction form
    179,786.76/269,610.06 = 67,405.67/x
  3. Step 3: Cross multiply
    179,786.76x = 269,610.06 × 67,405.67
  4. Step 4: Simplify right side
    179,786.76x = 18,173,245,384.99
  5. Step 5: Solve for x
    x = 18,173,245,384.99/179,786.76
  6. Step 6: Final answer
    x = 101,082.22

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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.