Home / 161,845.98-223,267.23-108,147.84

Finding the Fourth Proportional to 161,845.98, 223,267.23 and 108,147.84

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Solution

The fourth proportional to 161,845.98, 223,267.23 and 108,147.84 is: 149,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,845.98 : 223,267.23 = 108,147.84 : x
  2. Step 2: Convert to fraction form
    161,845.98/223,267.23 = 108,147.84/x
  3. Step 3: Cross multiply
    161,845.98x = 223,267.23 × 108,147.84
  4. Step 4: Simplify right side
    161,845.98x = 24,145,868,667.28
  5. Step 5: Solve for x
    x = 24,145,868,667.28/161,845.98
  6. Step 6: Final answer
    x = 149,190.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.