Home / 312,116.33-468,178.46-109,704.26

Finding the Fourth Proportional to 312,116.33, 468,178.46 and 109,704.26

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Solution

The fourth proportional to 312,116.33, 468,178.46 and 109,704.26 is: 164,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,116.33 : 468,178.46 = 109,704.26 : x
  2. Step 2: Convert to fraction form
    312,116.33/468,178.46 = 109,704.26/x
  3. Step 3: Cross multiply
    312,116.33x = 468,178.46 × 109,704.26
  4. Step 4: Simplify right side
    312,116.33x = 51,361,168,612.83
  5. Step 5: Solve for x
    x = 51,361,168,612.83/312,116.33
  6. Step 6: Final answer
    x = 164,557.78

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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.