Home / 445,033.56-667,591.37-145,515.67

Finding the Fourth Proportional to 445,033.56, 667,591.37 and 145,515.67

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Solution

The fourth proportional to 445,033.56, 667,591.37 and 145,515.67 is: 218,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,033.56 : 667,591.37 = 145,515.67 : x
  2. Step 2: Convert to fraction form
    445,033.56/667,591.37 = 145,515.67/x
  3. Step 3: Cross multiply
    445,033.56x = 667,591.37 × 145,515.67
  4. Step 4: Simplify right side
    445,033.56x = 97,145,005,855.56
  5. Step 5: Solve for x
    x = 97,145,005,855.56/445,033.56
  6. Step 6: Final answer
    x = 218,286.92

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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.