Home / 106,496.69-146,900.31-68,243.36

Finding the Fourth Proportional to 106,496.69, 146,900.31 and 68,243.36

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Solution

The fourth proportional to 106,496.69, 146,900.31 and 68,243.36 is: 94,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,496.69 : 146,900.31 = 68,243.36 : x
  2. Step 2: Convert to fraction form
    106,496.69/146,900.31 = 68,243.36/x
  3. Step 3: Cross multiply
    106,496.69x = 146,900.31 × 68,243.36
  4. Step 4: Simplify right side
    106,496.69x = 10,024,970,739.44
  5. Step 5: Solve for x
    x = 10,024,970,739.44/106,496.69
  6. Step 6: Final answer
    x = 94,134.11

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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.