Home / 105,942.81-146,193.87-58,198.17

Finding the Fourth Proportional to 105,942.81, 146,193.87 and 58,198.17

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Solution

The fourth proportional to 105,942.81, 146,193.87 and 58,198.17 is: 80,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,942.81 : 146,193.87 = 58,198.17 : x
  2. Step 2: Convert to fraction form
    105,942.81/146,193.87 = 58,198.17/x
  3. Step 3: Cross multiply
    105,942.81x = 146,193.87 × 58,198.17
  4. Step 4: Simplify right side
    105,942.81x = 8,508,215,699.22
  5. Step 5: Solve for x
    x = 8,508,215,699.22/105,942.81
  6. Step 6: Final answer
    x = 80,309.52

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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.