Home / 328,745.20-453,681.24-192,760.24

Finding the Fourth Proportional to 328,745.20, 453,681.24 and 192,760.24

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Solution

The fourth proportional to 328,745.20, 453,681.24 and 192,760.24 is: 266,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,745.20 : 453,681.24 = 192,760.24 : x
  2. Step 2: Convert to fraction form
    328,745.20/453,681.24 = 192,760.24/x
  3. Step 3: Cross multiply
    328,745.20x = 453,681.24 × 192,760.24
  4. Step 4: Simplify right side
    328,745.20x = 87,451,704,705.90
  5. Step 5: Solve for x
    x = 87,451,704,705.90/328,745.20
  6. Step 6: Final answer
    x = 266,016.67

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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.