Home / 220,676.80-330,917.04-62,869.60

Finding the Fourth Proportional to 220,676.80, 330,917.04 and 62,869.60

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Solution

The fourth proportional to 220,676.80, 330,917.04 and 62,869.60 is: 94,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,676.80 : 330,917.04 = 62,869.60 : x
  2. Step 2: Convert to fraction form
    220,676.80/330,917.04 = 62,869.60/x
  3. Step 3: Cross multiply
    220,676.80x = 330,917.04 × 62,869.60
  4. Step 4: Simplify right side
    220,676.80x = 20,804,621,937.98
  5. Step 5: Solve for x
    x = 20,804,621,937.98/220,676.80
  6. Step 6: Final answer
    x = 94,276.43

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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.