Home / 236,940.46-355,429.05-79,169.47

Finding the Fourth Proportional to 236,940.46, 355,429.05 and 79,169.47

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Solution

The fourth proportional to 236,940.46, 355,429.05 and 79,169.47 is: 118,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,940.46 : 355,429.05 = 79,169.47 : x
  2. Step 2: Convert to fraction form
    236,940.46/355,429.05 = 79,169.47/x
  3. Step 3: Cross multiply
    236,940.46x = 355,429.05 × 79,169.47
  4. Step 4: Simplify right side
    236,940.46x = 28,139,129,511.10
  5. Step 5: Solve for x
    x = 28,139,129,511.10/236,940.46
  6. Step 6: Final answer
    x = 118,760.34

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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.