Home / 220,708.50-331,060.80-146,162.17

Finding the Fourth Proportional to 220,708.50, 331,060.80 and 146,162.17

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Solution

The fourth proportional to 220,708.50, 331,060.80 and 146,162.17 is: 219,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,708.50 : 331,060.80 = 146,162.17 : x
  2. Step 2: Convert to fraction form
    220,708.50/331,060.80 = 146,162.17/x
  3. Step 3: Cross multiply
    220,708.50x = 331,060.80 × 146,162.17
  4. Step 4: Simplify right side
    220,708.50x = 48,388,565,891.87
  5. Step 5: Solve for x
    x = 48,388,565,891.87/220,708.50
  6. Step 6: Final answer
    x = 219,241.97

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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.