Home / 106,166.43-146,510.37-58,418.55

Finding the Fourth Proportional to 106,166.43, 146,510.37 and 58,418.55

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Solution

The fourth proportional to 106,166.43, 146,510.37 and 58,418.55 is: 80,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,166.43 : 146,510.37 = 58,418.55 : x
  2. Step 2: Convert to fraction form
    106,166.43/146,510.37 = 58,418.55/x
  3. Step 3: Cross multiply
    106,166.43x = 146,510.37 × 58,418.55
  4. Step 4: Simplify right side
    106,166.43x = 8,558,923,375.36
  5. Step 5: Solve for x
    x = 8,558,923,375.36/106,166.43
  6. Step 6: Final answer
    x = 80,617.98

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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.