Home / 196,237.38-294,399.96-71,578.38

Finding the Fourth Proportional to 196,237.38, 294,399.96 and 71,578.38

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Solution

The fourth proportional to 196,237.38, 294,399.96 and 71,578.38 is: 107,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,237.38 : 294,399.96 = 71,578.38 : x
  2. Step 2: Convert to fraction form
    196,237.38/294,399.96 = 71,578.38/x
  3. Step 3: Cross multiply
    196,237.38x = 294,399.96 × 71,578.38
  4. Step 4: Simplify right side
    196,237.38x = 21,072,672,208.86
  5. Step 5: Solve for x
    x = 21,072,672,208.86/196,237.38
  6. Step 6: Final answer
    x = 107,383.58

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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.