Home / 195,189.45-269,257.58-118,731.93

Finding the Fourth Proportional to 195,189.45, 269,257.58 and 118,731.93

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Solution

The fourth proportional to 195,189.45, 269,257.58 and 118,731.93 is: 163,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,189.45 : 269,257.58 = 118,731.93 : x
  2. Step 2: Convert to fraction form
    195,189.45/269,257.58 = 118,731.93/x
  3. Step 3: Cross multiply
    195,189.45x = 269,257.58 × 118,731.93
  4. Step 4: Simplify right side
    195,189.45x = 31,969,471,992.11
  5. Step 5: Solve for x
    x = 31,969,471,992.11/195,189.45
  6. Step 6: Final answer
    x = 163,786.88

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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.