Home / 105,940.80-146,198.70-58,195.08

Finding the Fourth Proportional to 105,940.80, 146,198.70 and 58,195.08

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Solution

The fourth proportional to 105,940.80, 146,198.70 and 58,195.08 is: 80,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,940.80 : 146,198.70 = 58,195.08 : x
  2. Step 2: Convert to fraction form
    105,940.80/146,198.70 = 58,195.08/x
  3. Step 3: Cross multiply
    105,940.80x = 146,198.70 × 58,195.08
  4. Step 4: Simplify right side
    105,940.80x = 8,508,045,042.40
  5. Step 5: Solve for x
    x = 8,508,045,042.40/105,940.80
  6. Step 6: Final answer
    x = 80,309.43

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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.