Home / 262,816.85-394,415.35-105,089.33

Finding the Fourth Proportional to 262,816.85, 394,415.35 and 105,089.33

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Solution

The fourth proportional to 262,816.85, 394,415.35 and 105,089.33 is: 157,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,816.85 : 394,415.35 = 105,089.33 : x
  2. Step 2: Convert to fraction form
    262,816.85/394,415.35 = 105,089.33/x
  3. Step 3: Cross multiply
    262,816.85x = 394,415.35 × 105,089.33
  4. Step 4: Simplify right side
    262,816.85x = 41,448,842,638.42
  5. Step 5: Solve for x
    x = 41,448,842,638.42/262,816.85
  6. Step 6: Final answer
    x = 157,709.99

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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.