Home / 196,129.08-270,650.16-111,244.32

Finding the Fourth Proportional to 196,129.08, 270,650.16 and 111,244.32

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Solution

The fourth proportional to 196,129.08, 270,650.16 and 111,244.32 is: 153,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,129.08 : 270,650.16 = 111,244.32 : x
  2. Step 2: Convert to fraction form
    196,129.08/270,650.16 = 111,244.32/x
  3. Step 3: Cross multiply
    196,129.08x = 270,650.16 × 111,244.32
  4. Step 4: Simplify right side
    196,129.08x = 30,108,293,007.09
  5. Step 5: Solve for x
    x = 30,108,293,007.09/196,129.08
  6. Step 6: Final answer
    x = 153,512.64

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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.