Home / 195,579.36-269,903.34-127,639.80

Finding the Fourth Proportional to 195,579.36, 269,903.34 and 127,639.80

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Solution

The fourth proportional to 195,579.36, 269,903.34 and 127,639.80 is: 176,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,579.36 : 269,903.34 = 127,639.80 : x
  2. Step 2: Convert to fraction form
    195,579.36/269,903.34 = 127,639.80/x
  3. Step 3: Cross multiply
    195,579.36x = 269,903.34 × 127,639.80
  4. Step 4: Simplify right side
    195,579.36x = 34,450,408,336.93
  5. Step 5: Solve for x
    x = 34,450,408,336.93/195,579.36
  6. Step 6: Final answer
    x = 176,145.42

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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.