Home / 236,943.96-355,434.30-79,172.97

Finding the Fourth Proportional to 236,943.96, 355,434.30 and 79,172.97

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Solution

The fourth proportional to 236,943.96, 355,434.30 and 79,172.97 is: 118,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,943.96 : 355,434.30 = 79,172.97 : x
  2. Step 2: Convert to fraction form
    236,943.96/355,434.30 = 79,172.97/x
  3. Step 3: Cross multiply
    236,943.96x = 355,434.30 × 79,172.97
  4. Step 4: Simplify right side
    236,943.96x = 28,140,789,170.87
  5. Step 5: Solve for x
    x = 28,140,789,170.87/236,943.96
  6. Step 6: Final answer
    x = 118,765.59

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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.