Home / 220,211.20-330,329.36-62,427.25

Finding the Fourth Proportional to 220,211.20, 330,329.36 and 62,427.25

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Solution

The fourth proportional to 220,211.20, 330,329.36 and 62,427.25 is: 93,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,211.20 : 330,329.36 = 62,427.25 : x
  2. Step 2: Convert to fraction form
    220,211.20/330,329.36 = 62,427.25/x
  3. Step 3: Cross multiply
    220,211.20x = 330,329.36 × 62,427.25
  4. Step 4: Simplify right side
    220,211.20x = 20,621,553,539.06
  5. Step 5: Solve for x
    x = 20,621,553,539.06/220,211.20
  6. Step 6: Final answer
    x = 93,644.44

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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.