Home / 196,845.30-294,830.55-161,853.30

Finding the Fourth Proportional to 196,845.30, 294,830.55 and 161,853.30

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Solution

The fourth proportional to 196,845.30, 294,830.55 and 161,853.30 is: 242,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,845.30 : 294,830.55 = 161,853.30 : x
  2. Step 2: Convert to fraction form
    196,845.30/294,830.55 = 161,853.30/x
  3. Step 3: Cross multiply
    196,845.30x = 294,830.55 × 161,853.30
  4. Step 4: Simplify right side
    196,845.30x = 47,719,297,458.32
  5. Step 5: Solve for x
    x = 47,719,297,458.32/196,845.30
  6. Step 6: Final answer
    x = 242,420.30

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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.