Home / 219,147.56-328,923.41-111,152.73

Finding the Fourth Proportional to 219,147.56, 328,923.41 and 111,152.73

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Solution

The fourth proportional to 219,147.56, 328,923.41 and 111,152.73 is: 166,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,147.56 : 328,923.41 = 111,152.73 : x
  2. Step 2: Convert to fraction form
    219,147.56/328,923.41 = 111,152.73/x
  3. Step 3: Cross multiply
    219,147.56x = 328,923.41 × 111,152.73
  4. Step 4: Simplify right side
    219,147.56x = 36,560,734,426.65
  5. Step 5: Solve for x
    x = 36,560,734,426.65/219,147.56
  6. Step 6: Final answer
    x = 166,831.59

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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.