Home / 196,072.58-270,580.14-111,189.64

Finding the Fourth Proportional to 196,072.58, 270,580.14 and 111,189.64

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Solution

The fourth proportional to 196,072.58, 270,580.14 and 111,189.64 is: 153,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,072.58 : 270,580.14 = 111,189.64 : x
  2. Step 2: Convert to fraction form
    196,072.58/270,580.14 = 111,189.64/x
  3. Step 3: Cross multiply
    196,072.58x = 270,580.14 × 111,189.64
  4. Step 4: Simplify right side
    196,072.58x = 30,085,708,357.75
  5. Step 5: Solve for x
    x = 30,085,708,357.75/196,072.58
  6. Step 6: Final answer
    x = 153,441.69

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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.