Home / 195,554.82-269,867.74-120,103.32

Finding the Fourth Proportional to 195,554.82, 269,867.74 and 120,103.32

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Solution

The fourth proportional to 195,554.82, 269,867.74 and 120,103.32 is: 165,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,554.82 : 269,867.74 = 120,103.32 : x
  2. Step 2: Convert to fraction form
    195,554.82/269,867.74 = 120,103.32/x
  3. Step 3: Cross multiply
    195,554.82x = 269,867.74 × 120,103.32
  4. Step 4: Simplify right side
    195,554.82x = 32,412,011,534.90
  5. Step 5: Solve for x
    x = 32,412,011,534.90/195,554.82
  6. Step 6: Final answer
    x = 165,743.86

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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.