Home / 106,418.10-146,951.91-101,376.66

Finding the Fourth Proportional to 106,418.10, 146,951.91 and 101,376.66

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Solution

The fourth proportional to 106,418.10, 146,951.91 and 101,376.66 is: 139,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,418.10 : 146,951.91 = 101,376.66 : x
  2. Step 2: Convert to fraction form
    106,418.10/146,951.91 = 101,376.66/x
  3. Step 3: Cross multiply
    106,418.10x = 146,951.91 × 101,376.66
  4. Step 4: Simplify right side
    106,418.10x = 14,897,493,816.42
  5. Step 5: Solve for x
    x = 14,897,493,816.42/106,418.10
  6. Step 6: Final answer
    x = 139,990.23

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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.