Home / 179,890.49-269,835.32-73,318.79

Finding the Fourth Proportional to 179,890.49, 269,835.32 and 73,318.79

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Solution

The fourth proportional to 179,890.49, 269,835.32 and 73,318.79 is: 109,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,890.49 : 269,835.32 = 73,318.79 : x
  2. Step 2: Convert to fraction form
    179,890.49/269,835.32 = 73,318.79/x
  3. Step 3: Cross multiply
    179,890.49x = 269,835.32 × 73,318.79
  4. Step 4: Simplify right side
    179,890.49x = 19,783,997,995.78
  5. Step 5: Solve for x
    x = 19,783,997,995.78/179,890.49
  6. Step 6: Final answer
    x = 109,978.01

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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.