Home / 213,409.66-294,511.29-117,922.54

Finding the Fourth Proportional to 213,409.66, 294,511.29 and 117,922.54

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Solution

The fourth proportional to 213,409.66, 294,511.29 and 117,922.54 is: 162,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,409.66 : 294,511.29 = 117,922.54 : x
  2. Step 2: Convert to fraction form
    213,409.66/294,511.29 = 117,922.54/x
  3. Step 3: Cross multiply
    213,409.66x = 294,511.29 × 117,922.54
  4. Step 4: Simplify right side
    213,409.66x = 34,729,519,375.48
  5. Step 5: Solve for x
    x = 34,729,519,375.48/213,409.66
  6. Step 6: Final answer
    x = 162,736.40

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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.