Home / 236,964.67-355,447-79,193.12

Finding the Fourth Proportional to 236,964.67, 355,447 and 79,193.12

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Solution

The fourth proportional to 236,964.67, 355,447 and 79,193.12 is: 118,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,964.67 : 355,447 = 79,193.12 : x
  2. Step 2: Convert to fraction form
    236,964.67/355,447 = 79,193.12/x
  3. Step 3: Cross multiply
    236,964.67x = 355,447 × 79,193.12
  4. Step 4: Simplify right side
    236,964.67x = 28,148,956,924.64
  5. Step 5: Solve for x
    x = 28,148,956,924.64/236,964.67
  6. Step 6: Final answer
    x = 118,789.68

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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.