Home / 196,219.85-270,783.96-111,336.71

Finding the Fourth Proportional to 196,219.85, 270,783.96 and 111,336.71

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Solution

The fourth proportional to 196,219.85, 270,783.96 and 111,336.71 is: 153,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,219.85 : 270,783.96 = 111,336.71 : x
  2. Step 2: Convert to fraction form
    196,219.85/270,783.96 = 111,336.71/x
  3. Step 3: Cross multiply
    196,219.85x = 270,783.96 × 111,336.71
  4. Step 4: Simplify right side
    196,219.85x = 30,148,195,227.17
  5. Step 5: Solve for x
    x = 30,148,195,227.17/196,219.85
  6. Step 6: Final answer
    x = 153,644.98

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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.