Home / 196,986.85-295,055.86-133,458.43

Finding the Fourth Proportional to 196,986.85, 295,055.86 and 133,458.43

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Solution

The fourth proportional to 196,986.85, 295,055.86 and 133,458.43 is: 199,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,986.85 : 295,055.86 = 133,458.43 : x
  2. Step 2: Convert to fraction form
    196,986.85/295,055.86 = 133,458.43/x
  3. Step 3: Cross multiply
    196,986.85x = 295,055.86 × 133,458.43
  4. Step 4: Simplify right side
    196,986.85x = 39,377,691,268.78
  5. Step 5: Solve for x
    x = 39,377,691,268.78/196,986.85
  6. Step 6: Final answer
    x = 199,900.10

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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.