Home / 336,739.28-505,021.56-100,028.24

Finding the Fourth Proportional to 336,739.28, 505,021.56 and 100,028.24

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Solution

The fourth proportional to 336,739.28, 505,021.56 and 100,028.24 is: 150,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,739.28 : 505,021.56 = 100,028.24 : x
  2. Step 2: Convert to fraction form
    336,739.28/505,021.56 = 100,028.24/x
  3. Step 3: Cross multiply
    336,739.28x = 505,021.56 × 100,028.24
  4. Step 4: Simplify right side
    336,739.28x = 50,516,417,808.85
  5. Step 5: Solve for x
    x = 50,516,417,808.85/336,739.28
  6. Step 6: Final answer
    x = 150,016.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.