Home / 196,071.58-270,578.76-111,188.64

Finding the Fourth Proportional to 196,071.58, 270,578.76 and 111,188.64

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Solution

The fourth proportional to 196,071.58, 270,578.76 and 111,188.64 is: 153,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,071.58 : 270,578.76 = 111,188.64 : x
  2. Step 2: Convert to fraction form
    196,071.58/270,578.76 = 111,188.64/x
  3. Step 3: Cross multiply
    196,071.58x = 270,578.76 × 111,188.64
  4. Step 4: Simplify right side
    196,071.58x = 30,085,284,337.29
  5. Step 5: Solve for x
    x = 30,085,284,337.29/196,071.58
  6. Step 6: Final answer
    x = 153,440.31

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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.