Home / 220,619.84-330,981.60-62,850.56

Finding the Fourth Proportional to 220,619.84, 330,981.60 and 62,850.56

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Solution

The fourth proportional to 220,619.84, 330,981.60 and 62,850.56 is: 94,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,619.84 : 330,981.60 = 62,850.56 : x
  2. Step 2: Convert to fraction form
    220,619.84/330,981.60 = 62,850.56/x
  3. Step 3: Cross multiply
    220,619.84x = 330,981.60 × 62,850.56
  4. Step 4: Simplify right side
    220,619.84x = 20,802,378,909.70
  5. Step 5: Solve for x
    x = 20,802,378,909.70/220,619.84
  6. Step 6: Final answer
    x = 94,290.61

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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.