Home / 196,973.80-295,556.70-91,738.60

Finding the Fourth Proportional to 196,973.80, 295,556.70 and 91,738.60

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Solution

The fourth proportional to 196,973.80, 295,556.70 and 91,738.60 is: 137,652.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,973.80 : 295,556.70 = 91,738.60 : x
  2. Step 2: Convert to fraction form
    196,973.80/295,556.70 = 91,738.60/x
  3. Step 3: Cross multiply
    196,973.80x = 295,556.70 × 91,738.60
  4. Step 4: Simplify right side
    196,973.80x = 27,113,957,878.62
  5. Step 5: Solve for x
    x = 27,113,957,878.62/196,973.80
  6. Step 6: Final answer
    x = 137,652.61

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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.