Home / 262,812.20-393,246.30-192,828.20

Finding the Fourth Proportional to 262,812.20, 393,246.30 and 192,828.20

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Solution

The fourth proportional to 262,812.20, 393,246.30 and 192,828.20 is: 288,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,812.20 : 393,246.30 = 192,828.20 : x
  2. Step 2: Convert to fraction form
    262,812.20/393,246.30 = 192,828.20/x
  3. Step 3: Cross multiply
    262,812.20x = 393,246.30 × 192,828.20
  4. Step 4: Simplify right side
    262,812.20x = 75,828,976,185.66
  5. Step 5: Solve for x
    x = 75,828,976,185.66/262,812.20
  6. Step 6: Final answer
    x = 288,529.13

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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.