Home / 196,449.39-294,728.46-78,203.76

Finding the Fourth Proportional to 196,449.39, 294,728.46 and 78,203.76

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Solution

The fourth proportional to 196,449.39, 294,728.46 and 78,203.76 is: 117,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,449.39 : 294,728.46 = 78,203.76 : x
  2. Step 2: Convert to fraction form
    196,449.39/294,728.46 = 78,203.76/x
  3. Step 3: Cross multiply
    196,449.39x = 294,728.46 × 78,203.76
  4. Step 4: Simplify right side
    196,449.39x = 23,048,873,751.01
  5. Step 5: Solve for x
    x = 23,048,873,751.01/196,449.39
  6. Step 6: Final answer
    x = 117,327.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.