Home / 254,473.20-381,855.60-96,814.80

Finding the Fourth Proportional to 254,473.20, 381,855.60 and 96,814.80

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Solution

The fourth proportional to 254,473.20, 381,855.60 and 96,814.80 is: 145,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,473.20 : 381,855.60 = 96,814.80 : x
  2. Step 2: Convert to fraction form
    254,473.20/381,855.60 = 96,814.80/x
  3. Step 3: Cross multiply
    254,473.20x = 381,855.60 × 96,814.80
  4. Step 4: Simplify right side
    254,473.20x = 36,969,273,542.88
  5. Step 5: Solve for x
    x = 36,969,273,542.88/254,473.20
  6. Step 6: Final answer
    x = 145,277.67

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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.