Home / 100,249.23-150,381.23-33,688.88

Finding the Fourth Proportional to 100,249.23, 150,381.23 and 33,688.88

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Solution

The fourth proportional to 100,249.23, 150,381.23 and 33,688.88 is: 50,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,249.23 : 150,381.23 = 33,688.88 : x
  2. Step 2: Convert to fraction form
    100,249.23/150,381.23 = 33,688.88/x
  3. Step 3: Cross multiply
    100,249.23x = 150,381.23 × 33,688.88
  4. Step 4: Simplify right side
    100,249.23x = 5,066,174,291.37
  5. Step 5: Solve for x
    x = 5,066,174,291.37/100,249.23
  6. Step 6: Final answer
    x = 50,535.79

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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.