Home / 146,515.80-219,611.70-57,739.80

Finding the Fourth Proportional to 146,515.80, 219,611.70 and 57,739.80

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Solution

The fourth proportional to 146,515.80, 219,611.70 and 57,739.80 is: 86,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,515.80 : 219,611.70 = 57,739.80 : x
  2. Step 2: Convert to fraction form
    146,515.80/219,611.70 = 57,739.80/x
  3. Step 3: Cross multiply
    146,515.80x = 219,611.70 × 57,739.80
  4. Step 4: Simplify right side
    146,515.80x = 12,680,335,635.66
  5. Step 5: Solve for x
    x = 12,680,335,635.66/146,515.80
  6. Step 6: Final answer
    x = 86,545.86

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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.