Home / 263,292.42-394,939.75-83,378.77

Finding the Fourth Proportional to 263,292.42, 394,939.75 and 83,378.77

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Solution

The fourth proportional to 263,292.42, 394,939.75 and 83,378.77 is: 125,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,292.42 : 394,939.75 = 83,378.77 : x
  2. Step 2: Convert to fraction form
    263,292.42/394,939.75 = 83,378.77/x
  3. Step 3: Cross multiply
    263,292.42x = 394,939.75 × 83,378.77
  4. Step 4: Simplify right side
    263,292.42x = 32,929,589,539.65
  5. Step 5: Solve for x
    x = 32,929,589,539.65/263,292.42
  6. Step 6: Final answer
    x = 125,068.50

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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.