Home / 171,976.90-257,965.35-165,087.85

Finding the Fourth Proportional to 171,976.90, 257,965.35 and 165,087.85

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Solution

The fourth proportional to 171,976.90, 257,965.35 and 165,087.85 is: 247,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,976.90 : 257,965.35 = 165,087.85 : x
  2. Step 2: Convert to fraction form
    171,976.90/257,965.35 = 165,087.85/x
  3. Step 3: Cross multiply
    171,976.90x = 257,965.35 × 165,087.85
  4. Step 4: Simplify right side
    171,976.90x = 42,586,945,006.00
  5. Step 5: Solve for x
    x = 42,586,945,006.00/171,976.90
  6. Step 6: Final answer
    x = 247,631.78

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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.