Home / 196,183.89-294,405.09-107,499.66

Finding the Fourth Proportional to 196,183.89, 294,405.09 and 107,499.66

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Solution

The fourth proportional to 196,183.89, 294,405.09 and 107,499.66 is: 161,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,183.89 : 294,405.09 = 107,499.66 : x
  2. Step 2: Convert to fraction form
    196,183.89/294,405.09 = 107,499.66/x
  3. Step 3: Cross multiply
    196,183.89x = 294,405.09 × 107,499.66
  4. Step 4: Simplify right side
    196,183.89x = 31,648,447,077.27
  5. Step 5: Solve for x
    x = 31,648,447,077.27/196,183.89
  6. Step 6: Final answer
    x = 161,320.32

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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.