Home / 220,664.20-330,656.10-164,239.60

Finding the Fourth Proportional to 220,664.20, 330,656.10 and 164,239.60

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Solution

The fourth proportional to 220,664.20, 330,656.10 and 164,239.60 is: 246,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,664.20 : 330,656.10 = 164,239.60 : x
  2. Step 2: Convert to fraction form
    220,664.20/330,656.10 = 164,239.60/x
  3. Step 3: Cross multiply
    220,664.20x = 330,656.10 × 164,239.60
  4. Step 4: Simplify right side
    220,664.20x = 54,306,825,601.56
  5. Step 5: Solve for x
    x = 54,306,825,601.56/220,664.20
  6. Step 6: Final answer
    x = 246,106.19

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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.