Home / 179,688.30-269,453.51-67,289.69

Finding the Fourth Proportional to 179,688.30, 269,453.51 and 67,289.69

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Solution

The fourth proportional to 179,688.30, 269,453.51 and 67,289.69 is: 100,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,688.30 : 269,453.51 = 67,289.69 : x
  2. Step 2: Convert to fraction form
    179,688.30/269,453.51 = 67,289.69/x
  3. Step 3: Cross multiply
    179,688.30x = 269,453.51 × 67,289.69
  4. Step 4: Simplify right side
    179,688.30x = 18,131,441,473.60
  5. Step 5: Solve for x
    x = 18,131,441,473.60/179,688.30
  6. Step 6: Final answer
    x = 100,904.96

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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.