Home / 146,012.76-218,965.68-71,110.44

Finding the Fourth Proportional to 146,012.76, 218,965.68 and 71,110.44

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Solution

The fourth proportional to 146,012.76, 218,965.68 and 71,110.44 is: 106,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,012.76 : 218,965.68 = 71,110.44 : x
  2. Step 2: Convert to fraction form
    146,012.76/218,965.68 = 71,110.44/x
  3. Step 3: Cross multiply
    146,012.76x = 218,965.68 × 71,110.44
  4. Step 4: Simplify right side
    146,012.76x = 15,570,745,849.70
  5. Step 5: Solve for x
    x = 15,570,745,849.70/146,012.76
  6. Step 6: Final answer
    x = 106,639.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.