Home / 225,933.08-311,790.81-123,956.69

Finding the Fourth Proportional to 225,933.08, 311,790.81 and 123,956.69

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Solution

The fourth proportional to 225,933.08, 311,790.81 and 123,956.69 is: 171,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,933.08 : 311,790.81 = 123,956.69 : x
  2. Step 2: Convert to fraction form
    225,933.08/311,790.81 = 123,956.69/x
  3. Step 3: Cross multiply
    225,933.08x = 311,790.81 × 123,956.69
  4. Step 4: Simplify right side
    225,933.08x = 38,648,555,221.06
  5. Step 5: Solve for x
    x = 38,648,555,221.06/225,933.08
  6. Step 6: Final answer
    x = 171,061.96

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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.