Home / 142,442.97-196,441.25-122,293.41

Finding the Fourth Proportional to 142,442.97, 196,441.25 and 122,293.41

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Solution

The fourth proportional to 142,442.97, 196,441.25 and 122,293.41 is: 168,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,442.97 : 196,441.25 = 122,293.41 : x
  2. Step 2: Convert to fraction form
    142,442.97/196,441.25 = 122,293.41/x
  3. Step 3: Cross multiply
    142,442.97x = 196,441.25 × 122,293.41
  4. Step 4: Simplify right side
    142,442.97x = 24,023,469,715.70
  5. Step 5: Solve for x
    x = 24,023,469,715.70/142,442.97
  6. Step 6: Final answer
    x = 168,653.25

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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.