Home / 106,520.21-146,997.79-58,773.56

Finding the Fourth Proportional to 106,520.21, 146,997.79 and 58,773.56

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Solution

The fourth proportional to 106,520.21, 146,997.79 and 58,773.56 is: 81,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,520.21 : 146,997.79 = 58,773.56 : x
  2. Step 2: Convert to fraction form
    106,520.21/146,997.79 = 58,773.56/x
  3. Step 3: Cross multiply
    106,520.21x = 146,997.79 × 58,773.56
  4. Step 4: Simplify right side
    106,520.21x = 8,639,583,136.56
  5. Step 5: Solve for x
    x = 8,639,583,136.56/106,520.21
  6. Step 6: Final answer
    x = 81,107.45

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1.5x scale

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.