Home / 195,625.82-269,964.75-115,056.74

Finding the Fourth Proportional to 195,625.82, 269,964.75 and 115,056.74

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Solution

The fourth proportional to 195,625.82, 269,964.75 and 115,056.74 is: 158,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,625.82 : 269,964.75 = 115,056.74 : x
  2. Step 2: Convert to fraction form
    195,625.82/269,964.75 = 115,056.74/x
  3. Step 3: Cross multiply
    195,625.82x = 269,964.75 × 115,056.74
  4. Step 4: Simplify right side
    195,625.82x = 31,061,262,700.09
  5. Step 5: Solve for x
    x = 31,061,262,700.09/195,625.82
  6. Step 6: Final answer
    x = 158,778.96

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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.