Home / 291,190.24-401,841.72-163,865.85

Finding the Fourth Proportional to 291,190.24, 401,841.72 and 163,865.85

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Solution

The fourth proportional to 291,190.24, 401,841.72 and 163,865.85 is: 226,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,190.24 : 401,841.72 = 163,865.85 : x
  2. Step 2: Convert to fraction form
    291,190.24/401,841.72 = 163,865.85/x
  3. Step 3: Cross multiply
    291,190.24x = 401,841.72 × 163,865.85
  4. Step 4: Simplify right side
    291,190.24x = 65,848,135,013.26
  5. Step 5: Solve for x
    x = 65,848,135,013.26/291,190.24
  6. Step 6: Final answer
    x = 226,134.42

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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.