Home / 196,219.35-270,783.27-111,336.21

Finding the Fourth Proportional to 196,219.35, 270,783.27 and 111,336.21

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Solution

The fourth proportional to 196,219.35, 270,783.27 and 111,336.21 is: 153,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,219.35 : 270,783.27 = 111,336.21 : x
  2. Step 2: Convert to fraction form
    196,219.35/270,783.27 = 111,336.21/x
  3. Step 3: Cross multiply
    196,219.35x = 270,783.27 × 111,336.21
  4. Step 4: Simplify right side
    196,219.35x = 30,147,983,013.21
  5. Step 5: Solve for x
    x = 30,147,983,013.21/196,219.35
  6. Step 6: Final answer
    x = 153,644.29

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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.