Home / 195,830.73-270,244.08-109,789.29

Finding the Fourth Proportional to 195,830.73, 270,244.08 and 109,789.29

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Solution

The fourth proportional to 195,830.73, 270,244.08 and 109,789.29 is: 151,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,830.73 : 270,244.08 = 109,789.29 : x
  2. Step 2: Convert to fraction form
    195,830.73/270,244.08 = 109,789.29/x
  3. Step 3: Cross multiply
    195,830.73x = 270,244.08 × 109,789.29
  4. Step 4: Simplify right side
    195,830.73x = 29,669,905,669.90
  5. Step 5: Solve for x
    x = 29,669,905,669.90/195,830.73
  6. Step 6: Final answer
    x = 151,507.92

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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.