Home / 236,467.85-354,704.90-78,696.33

Finding the Fourth Proportional to 236,467.85, 354,704.90 and 78,696.33

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Solution

The fourth proportional to 236,467.85, 354,704.90 and 78,696.33 is: 118,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,467.85 : 354,704.90 = 78,696.33 : x
  2. Step 2: Convert to fraction form
    236,467.85/354,704.90 = 78,696.33/x
  3. Step 3: Cross multiply
    236,467.85x = 354,704.90 × 78,696.33
  4. Step 4: Simplify right side
    236,467.85x = 27,913,973,469.54
  5. Step 5: Solve for x
    x = 27,913,973,469.54/236,467.85
  6. Step 6: Final answer
    x = 118,045.53

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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.