Home / 107,268.99-148,086.35-75,579.36

Finding the Fourth Proportional to 107,268.99, 148,086.35 and 75,579.36

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Solution

The fourth proportional to 107,268.99, 148,086.35 and 75,579.36 is: 104,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,268.99 : 148,086.35 = 75,579.36 : x
  2. Step 2: Convert to fraction form
    107,268.99/148,086.35 = 75,579.36/x
  3. Step 3: Cross multiply
    107,268.99x = 148,086.35 × 75,579.36
  4. Step 4: Simplify right side
    107,268.99x = 11,192,271,179.84
  5. Step 5: Solve for x
    x = 11,192,271,179.84/107,268.99
  6. Step 6: Final answer
    x = 104,338.37

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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.