Home / 165,990.15-248,951.07-47,635.11

Finding the Fourth Proportional to 165,990.15, 248,951.07 and 47,635.11

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Solution

The fourth proportional to 165,990.15, 248,951.07 and 47,635.11 is: 71,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,990.15 : 248,951.07 = 47,635.11 : x
  2. Step 2: Convert to fraction form
    165,990.15/248,951.07 = 47,635.11/x
  3. Step 3: Cross multiply
    165,990.15x = 248,951.07 × 47,635.11
  4. Step 4: Simplify right side
    165,990.15x = 11,858,811,604.07
  5. Step 5: Solve for x
    x = 11,858,811,604.07/165,990.15
  6. Step 6: Final answer
    x = 71,442.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.