Home / 196,078.68-270,578.70-111,203.64

Finding the Fourth Proportional to 196,078.68, 270,578.70 and 111,203.64

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Solution

The fourth proportional to 196,078.68, 270,578.70 and 111,203.64 is: 153,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,078.68 : 270,578.70 = 111,203.64 : x
  2. Step 2: Convert to fraction form
    196,078.68/270,578.70 = 111,203.64/x
  3. Step 3: Cross multiply
    196,078.68x = 270,578.70 × 111,203.64
  4. Step 4: Simplify right side
    196,078.68x = 30,089,336,346.47
  5. Step 5: Solve for x
    x = 30,089,336,346.47/196,078.68
  6. Step 6: Final answer
    x = 153,455.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.