Home / 262,811.09-394,465.87-162,668.36

Finding the Fourth Proportional to 262,811.09, 394,465.87 and 162,668.36

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Solution

The fourth proportional to 262,811.09, 394,465.87 and 162,668.36 is: 244,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,811.09 : 394,465.87 = 162,668.36 : x
  2. Step 2: Convert to fraction form
    262,811.09/394,465.87 = 162,668.36/x
  3. Step 3: Cross multiply
    262,811.09x = 394,465.87 × 162,668.36
  4. Step 4: Simplify right side
    262,811.09x = 64,167,115,335.53
  5. Step 5: Solve for x
    x = 64,167,115,335.53/262,811.09
  6. Step 6: Final answer
    x = 244,156.80

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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.