Home / 220,195.30-303,859.36-124,702.69

Finding the Fourth Proportional to 220,195.30, 303,859.36 and 124,702.69

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Solution

The fourth proportional to 220,195.30, 303,859.36 and 124,702.69 is: 172,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,195.30 : 303,859.36 = 124,702.69 : x
  2. Step 2: Convert to fraction form
    220,195.30/303,859.36 = 124,702.69/x
  3. Step 3: Cross multiply
    220,195.30x = 303,859.36 × 124,702.69
  4. Step 4: Simplify right side
    220,195.30x = 37,892,079,573.68
  5. Step 5: Solve for x
    x = 37,892,079,573.68/220,195.30
  6. Step 6: Final answer
    x = 172,083.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.