Home / 149,276.06-205,991.62-82,208.06

Finding the Fourth Proportional to 149,276.06, 205,991.62 and 82,208.06

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Solution

The fourth proportional to 149,276.06, 205,991.62 and 82,208.06 is: 113,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,276.06 : 205,991.62 = 82,208.06 : x
  2. Step 2: Convert to fraction form
    149,276.06/205,991.62 = 82,208.06/x
  3. Step 3: Cross multiply
    149,276.06x = 205,991.62 × 82,208.06
  4. Step 4: Simplify right side
    149,276.06x = 16,934,170,426.50
  5. Step 5: Solve for x
    x = 16,934,170,426.50/149,276.06
  6. Step 6: Final answer
    x = 113,441.97

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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.