Home / 146,736.72-220,069.80-67,775.04

Finding the Fourth Proportional to 146,736.72, 220,069.80 and 67,775.04

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Solution

The fourth proportional to 146,736.72, 220,069.80 and 67,775.04 is: 101,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,736.72 : 220,069.80 = 67,775.04 : x
  2. Step 2: Convert to fraction form
    146,736.72/220,069.80 = 67,775.04/x
  3. Step 3: Cross multiply
    146,736.72x = 220,069.80 × 67,775.04
  4. Step 4: Simplify right side
    146,736.72x = 14,915,239,497.79
  5. Step 5: Solve for x
    x = 14,915,239,497.79/146,736.72
  6. Step 6: Final answer
    x = 101,646.26

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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.