Home / 192,015.36-264,986.64-107,130.60

Finding the Fourth Proportional to 192,015.36, 264,986.64 and 107,130.60

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Solution

The fourth proportional to 192,015.36, 264,986.64 and 107,130.60 is: 147,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.36 : 264,986.64 = 107,130.60 : x
  2. Step 2: Convert to fraction form
    192,015.36/264,986.64 = 107,130.60/x
  3. Step 3: Cross multiply
    192,015.36x = 264,986.64 × 107,130.60
  4. Step 4: Simplify right side
    192,015.36x = 28,388,177,735.18
  5. Step 5: Solve for x
    x = 28,388,177,735.18/192,015.36
  6. Step 6: Final answer
    x = 147,843.26

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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.