Home / 198,406.64-273,698.52-122,823.92

Finding the Fourth Proportional to 198,406.64, 273,698.52 and 122,823.92

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Solution

The fourth proportional to 198,406.64, 273,698.52 and 122,823.92 is: 169,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,406.64 : 273,698.52 = 122,823.92 : x
  2. Step 2: Convert to fraction form
    198,406.64/273,698.52 = 122,823.92/x
  3. Step 3: Cross multiply
    198,406.64x = 273,698.52 × 122,823.92
  4. Step 4: Simplify right side
    198,406.64x = 33,616,725,124.60
  5. Step 5: Solve for x
    x = 33,616,725,124.60/198,406.64
  6. Step 6: Final answer
    x = 169,433.47

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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.