Home / 179,688.17-269,453.32-67,289.56

Finding the Fourth Proportional to 179,688.17, 269,453.32 and 67,289.56

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Solution

The fourth proportional to 179,688.17, 269,453.32 and 67,289.56 is: 100,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,688.17 : 269,453.32 = 67,289.56 : x
  2. Step 2: Convert to fraction form
    179,688.17/269,453.32 = 67,289.56/x
  3. Step 3: Cross multiply
    179,688.17x = 269,453.32 × 67,289.56
  4. Step 4: Simplify right side
    179,688.17x = 18,131,393,996.07
  5. Step 5: Solve for x
    x = 18,131,393,996.07/179,688.17
  6. Step 6: Final answer
    x = 100,904.77

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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.