Home / 331,825.68-457,930.20-188,577.36

Finding the Fourth Proportional to 331,825.68, 457,930.20 and 188,577.36

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Solution

The fourth proportional to 331,825.68, 457,930.20 and 188,577.36 is: 260,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,825.68 : 457,930.20 = 188,577.36 : x
  2. Step 2: Convert to fraction form
    331,825.68/457,930.20 = 188,577.36/x
  3. Step 3: Cross multiply
    331,825.68x = 457,930.20 × 188,577.36
  4. Step 4: Simplify right side
    331,825.68x = 86,355,268,180.27
  5. Step 5: Solve for x
    x = 86,355,268,180.27/331,825.68
  6. Step 6: Final answer
    x = 260,242.87

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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.