Home / 195,533.76-269,836.60-106,109.76

Finding the Fourth Proportional to 195,533.76, 269,836.60 and 106,109.76

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Solution

The fourth proportional to 195,533.76, 269,836.60 and 106,109.76 is: 146,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,533.76 : 269,836.60 = 106,109.76 : x
  2. Step 2: Convert to fraction form
    195,533.76/269,836.60 = 106,109.76/x
  3. Step 3: Cross multiply
    195,533.76x = 269,836.60 × 106,109.76
  4. Step 4: Simplify right side
    195,533.76x = 28,632,296,865.22
  5. Step 5: Solve for x
    x = 28,632,296,865.22/195,533.76
  6. Step 6: Final answer
    x = 146,431.47

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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.