Home / 262,631.80-394,239.30-162,904.60

Finding the Fourth Proportional to 262,631.80, 394,239.30 and 162,904.60

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Solution

The fourth proportional to 262,631.80, 394,239.30 and 162,904.60 is: 244,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,631.80 : 394,239.30 = 162,904.60 : x
  2. Step 2: Convert to fraction form
    262,631.80/394,239.30 = 162,904.60/x
  3. Step 3: Cross multiply
    262,631.80x = 394,239.30 × 162,904.60
  4. Step 4: Simplify right side
    262,631.80x = 64,223,395,470.78
  5. Step 5: Solve for x
    x = 64,223,395,470.78/262,631.80
  6. Step 6: Final answer
    x = 244,537.77

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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.