Home / 195,068.38-269,194.36-105,644.38

Finding the Fourth Proportional to 195,068.38, 269,194.36 and 105,644.38

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Solution

The fourth proportional to 195,068.38, 269,194.36 and 105,644.38 is: 145,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,068.38 : 269,194.36 = 105,644.38 : x
  2. Step 2: Convert to fraction form
    195,068.38/269,194.36 = 105,644.38/x
  3. Step 3: Cross multiply
    195,068.38x = 269,194.36 × 105,644.38
  4. Step 4: Simplify right side
    195,068.38x = 28,438,869,915.73
  5. Step 5: Solve for x
    x = 28,438,869,915.73/195,068.38
  6. Step 6: Final answer
    x = 145,789.24

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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.