Home / 146,792.20-220,188.30-53,285.80

Finding the Fourth Proportional to 146,792.20, 220,188.30 and 53,285.80

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Solution

The fourth proportional to 146,792.20, 220,188.30 and 53,285.80 is: 79,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,792.20 : 220,188.30 = 53,285.80 : x
  2. Step 2: Convert to fraction form
    146,792.20/220,188.30 = 53,285.80/x
  3. Step 3: Cross multiply
    146,792.20x = 220,188.30 × 53,285.80
  4. Step 4: Simplify right side
    146,792.20x = 11,732,909,716.14
  5. Step 5: Solve for x
    x = 11,732,909,716.14/146,792.20
  6. Step 6: Final answer
    x = 79,928.70

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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.