Home / 220,698.20-330,707.10-164,273.60

Finding the Fourth Proportional to 220,698.20, 330,707.10 and 164,273.60

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Solution

The fourth proportional to 220,698.20, 330,707.10 and 164,273.60 is: 246,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,698.20 : 330,707.10 = 164,273.60 : x
  2. Step 2: Convert to fraction form
    220,698.20/330,707.10 = 164,273.60/x
  3. Step 3: Cross multiply
    220,698.20x = 330,707.10 × 164,273.60
  4. Step 4: Simplify right side
    220,698.20x = 54,326,445,862.56
  5. Step 5: Solve for x
    x = 54,326,445,862.56/220,698.20
  6. Step 6: Final answer
    x = 246,157.18

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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.