Home / 196,230.36-270,790.38-111,342.36

Finding the Fourth Proportional to 196,230.36, 270,790.38 and 111,342.36

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Solution

The fourth proportional to 196,230.36, 270,790.38 and 111,342.36 is: 153,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,230.36 : 270,790.38 = 111,342.36 : x
  2. Step 2: Convert to fraction form
    196,230.36/270,790.38 = 111,342.36/x
  3. Step 3: Cross multiply
    196,230.36x = 270,790.38 × 111,342.36
  4. Step 4: Simplify right side
    196,230.36x = 30,150,439,974.50
  5. Step 5: Solve for x
    x = 30,150,439,974.50/196,230.36
  6. Step 6: Final answer
    x = 153,648.19

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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.