Home / 311,029.06-466,538.01-100,667.20

Finding the Fourth Proportional to 311,029.06, 466,538.01 and 100,667.20

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Solution

The fourth proportional to 311,029.06, 466,538.01 and 100,667.20 is: 150,998.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,029.06 : 466,538.01 = 100,667.20 : x
  2. Step 2: Convert to fraction form
    311,029.06/466,538.01 = 100,667.20/x
  3. Step 3: Cross multiply
    311,029.06x = 466,538.01 × 100,667.20
  4. Step 4: Simplify right side
    311,029.06x = 46,965,075,160.27
  5. Step 5: Solve for x
    x = 46,965,075,160.27/311,029.06
  6. Step 6: Final answer
    x = 150,998.99

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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.