Home / 329,100.72-454,159.32-178,197.36

Finding the Fourth Proportional to 329,100.72, 454,159.32 and 178,197.36

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Solution

The fourth proportional to 329,100.72, 454,159.32 and 178,197.36 is: 245,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,100.72 : 454,159.32 = 178,197.36 : x
  2. Step 2: Convert to fraction form
    329,100.72/454,159.32 = 178,197.36/x
  3. Step 3: Cross multiply
    329,100.72x = 454,159.32 × 178,197.36
  4. Step 4: Simplify right side
    329,100.72x = 80,929,991,843.40
  5. Step 5: Solve for x
    x = 80,929,991,843.40/329,100.72
  6. Step 6: Final answer
    x = 245,912.53

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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.