Home / 196,195.96-270,742.26-111,317.68

Finding the Fourth Proportional to 196,195.96, 270,742.26 and 111,317.68

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Solution

The fourth proportional to 196,195.96, 270,742.26 and 111,317.68 is: 153,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,195.96 : 270,742.26 = 111,317.68 : x
  2. Step 2: Convert to fraction form
    196,195.96/270,742.26 = 111,317.68/x
  3. Step 3: Cross multiply
    196,195.96x = 270,742.26 × 111,317.68
  4. Step 4: Simplify right side
    196,195.96x = 30,138,400,261.16
  5. Step 5: Solve for x
    x = 30,138,400,261.16/196,195.96
  6. Step 6: Final answer
    x = 153,613.77

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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.