Home / 220,290.64-330,436.20-60,367.94

Finding the Fourth Proportional to 220,290.64, 330,436.20 and 60,367.94

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Solution

The fourth proportional to 220,290.64, 330,436.20 and 60,367.94 is: 90,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,290.64 : 330,436.20 = 60,367.94 : x
  2. Step 2: Convert to fraction form
    220,290.64/330,436.20 = 60,367.94/x
  3. Step 3: Cross multiply
    220,290.64x = 330,436.20 × 60,367.94
  4. Step 4: Simplify right side
    220,290.64x = 19,947,752,695.43
  5. Step 5: Solve for x
    x = 19,947,752,695.43/220,290.64
  6. Step 6: Final answer
    x = 90,551.98

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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.