Home / 146,515.80-219,846.60-57,772.20

Finding the Fourth Proportional to 146,515.80, 219,846.60 and 57,772.20

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Solution

The fourth proportional to 146,515.80, 219,846.60 and 57,772.20 is: 86,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,515.80 : 219,846.60 = 57,772.20 : x
  2. Step 2: Convert to fraction form
    146,515.80/219,846.60 = 57,772.20/x
  3. Step 3: Cross multiply
    146,515.80x = 219,846.60 × 57,772.20
  4. Step 4: Simplify right side
    146,515.80x = 12,701,021,744.52
  5. Step 5: Solve for x
    x = 12,701,021,744.52/146,515.80
  6. Step 6: Final answer
    x = 86,687.04

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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.