Home / 106,161.26-146,453.55-68,447.66

Finding the Fourth Proportional to 106,161.26, 146,453.55 and 68,447.66

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Solution

The fourth proportional to 106,161.26, 146,453.55 and 68,447.66 is: 94,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,161.26 : 146,453.55 = 68,447.66 : x
  2. Step 2: Convert to fraction form
    106,161.26/146,453.55 = 68,447.66/x
  3. Step 3: Cross multiply
    106,161.26x = 146,453.55 × 68,447.66
  4. Step 4: Simplify right side
    106,161.26x = 10,024,402,796.19
  5. Step 5: Solve for x
    x = 10,024,402,796.19/106,161.26
  6. Step 6: Final answer
    x = 94,426.19

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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.