Home / 149,186.18-205,876.83-82,118.18

Finding the Fourth Proportional to 149,186.18, 205,876.83 and 82,118.18

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Solution

The fourth proportional to 149,186.18, 205,876.83 and 82,118.18 is: 113,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,186.18 : 205,876.83 = 82,118.18 : x
  2. Step 2: Convert to fraction form
    149,186.18/205,876.83 = 82,118.18/x
  3. Step 3: Cross multiply
    149,186.18x = 205,876.83 × 82,118.18
  4. Step 4: Simplify right side
    149,186.18x = 16,906,230,583.77
  5. Step 5: Solve for x
    x = 16,906,230,583.77/149,186.18
  6. Step 6: Final answer
    x = 113,323.03

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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.