Home / 221,834.20-306,131.19-119,859.69

Finding the Fourth Proportional to 221,834.20, 306,131.19 and 119,859.69

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Solution

The fourth proportional to 221,834.20, 306,131.19 and 119,859.69 is: 165,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,834.20 : 306,131.19 = 119,859.69 : x
  2. Step 2: Convert to fraction form
    221,834.20/306,131.19 = 119,859.69/x
  3. Step 3: Cross multiply
    221,834.20x = 306,131.19 × 119,859.69
  4. Step 4: Simplify right side
    221,834.20x = 36,692,789,532.73
  5. Step 5: Solve for x
    x = 36,692,789,532.73/221,834.20
  6. Step 6: Final answer
    x = 165,406.37

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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.