Home / 299,896.12-413,856.63-163,930.64

Finding the Fourth Proportional to 299,896.12, 413,856.63 and 163,930.64

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Solution

The fourth proportional to 299,896.12, 413,856.63 and 163,930.64 is: 226,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,896.12 : 413,856.63 = 163,930.64 : x
  2. Step 2: Convert to fraction form
    299,896.12/413,856.63 = 163,930.64/x
  3. Step 3: Cross multiply
    299,896.12x = 413,856.63 × 163,930.64
  4. Step 4: Simplify right side
    299,896.12x = 67,843,782,224.14
  5. Step 5: Solve for x
    x = 67,843,782,224.14/299,896.12
  6. Step 6: Final answer
    x = 226,224.27

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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.