Home / 106,435.82-146,728.86-83,735.44

Finding the Fourth Proportional to 106,435.82, 146,728.86 and 83,735.44

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Solution

The fourth proportional to 106,435.82, 146,728.86 and 83,735.44 is: 115,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.82 : 146,728.86 = 83,735.44 : x
  2. Step 2: Convert to fraction form
    106,435.82/146,728.86 = 83,735.44/x
  3. Step 3: Cross multiply
    106,435.82x = 146,728.86 × 83,735.44
  4. Step 4: Simplify right side
    106,435.82x = 12,286,405,652.80
  5. Step 5: Solve for x
    x = 12,286,405,652.80/106,435.82
  6. Step 6: Final answer
    x = 115,434.88

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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.