Home / 106,185.30-146,538.60-58,441.68

Finding the Fourth Proportional to 106,185.30, 146,538.60 and 58,441.68

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Solution

The fourth proportional to 106,185.30, 146,538.60 and 58,441.68 is: 80,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,185.30 : 146,538.60 = 58,441.68 : x
  2. Step 2: Convert to fraction form
    106,185.30/146,538.60 = 58,441.68/x
  3. Step 3: Cross multiply
    106,185.30x = 146,538.60 × 58,441.68
  4. Step 4: Simplify right side
    106,185.30x = 8,563,961,968.85
  5. Step 5: Solve for x
    x = 8,563,961,968.85/106,185.30
  6. Step 6: Final answer
    x = 80,651.11

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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.