Home / 146,942.67-220,229.53-79,472.02

Finding the Fourth Proportional to 146,942.67, 220,229.53 and 79,472.02

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Solution

The fourth proportional to 146,942.67, 220,229.53 and 79,472.02 is: 119,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,942.67 : 220,229.53 = 79,472.02 : x
  2. Step 2: Convert to fraction form
    146,942.67/220,229.53 = 79,472.02/x
  3. Step 3: Cross multiply
    146,942.67x = 220,229.53 × 79,472.02
  4. Step 4: Simplify right side
    146,942.67x = 17,502,085,062.18
  5. Step 5: Solve for x
    x = 17,502,085,062.18/146,942.67
  6. Step 6: Final answer
    x = 119,108.25

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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.