Home / 196,447.91-294,726.24-78,202.26

Finding the Fourth Proportional to 196,447.91, 294,726.24 and 78,202.26

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Solution

The fourth proportional to 196,447.91, 294,726.24 and 78,202.26 is: 117,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,447.91 : 294,726.24 = 78,202.26 : x
  2. Step 2: Convert to fraction form
    196,447.91/294,726.24 = 78,202.26/x
  3. Step 3: Cross multiply
    196,447.91x = 294,726.24 × 78,202.26
  4. Step 4: Simplify right side
    196,447.91x = 23,048,258,049.30
  5. Step 5: Solve for x
    x = 23,048,258,049.30/196,447.91
  6. Step 6: Final answer
    x = 117,325.04

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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.