Home / 195,400.36-269,652.52-105,976.36

Finding the Fourth Proportional to 195,400.36, 269,652.52 and 105,976.36

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Solution

The fourth proportional to 195,400.36, 269,652.52 and 105,976.36 is: 146,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,400.36 : 269,652.52 = 105,976.36 : x
  2. Step 2: Convert to fraction form
    195,400.36/269,652.52 = 105,976.36/x
  3. Step 3: Cross multiply
    195,400.36x = 269,652.52 × 105,976.36
  4. Step 4: Simplify right side
    195,400.36x = 28,576,792,534.43
  5. Step 5: Solve for x
    x = 28,576,792,534.43/195,400.36
  6. Step 6: Final answer
    x = 146,247.39

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1.5x scale

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.