Home / 196,062.20-294,190.60-77,730.92

Finding the Fourth Proportional to 196,062.20, 294,190.60 and 77,730.92

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Solution

The fourth proportional to 196,062.20, 294,190.60 and 77,730.92 is: 116,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,062.20 : 294,190.60 = 77,730.92 : x
  2. Step 2: Convert to fraction form
    196,062.20/294,190.60 = 77,730.92/x
  3. Step 3: Cross multiply
    196,062.20x = 294,190.60 × 77,730.92
  4. Step 4: Simplify right side
    196,062.20x = 22,867,705,993.35
  5. Step 5: Solve for x
    x = 22,867,705,993.35/196,062.20
  6. Step 6: Final answer
    x = 116,634.96

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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.