Home / 220,285.20-330,440.32-62,501.28

Finding the Fourth Proportional to 220,285.20, 330,440.32 and 62,501.28

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Solution

The fourth proportional to 220,285.20, 330,440.32 and 62,501.28 is: 93,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,285.20 : 330,440.32 = 62,501.28 : x
  2. Step 2: Convert to fraction form
    220,285.20/330,440.32 = 62,501.28/x
  3. Step 3: Cross multiply
    220,285.20x = 330,440.32 × 62,501.28
  4. Step 4: Simplify right side
    220,285.20x = 20,652,942,963.61
  5. Step 5: Solve for x
    x = 20,652,942,963.61/220,285.20
  6. Step 6: Final answer
    x = 93,755.47

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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.