Home / 250,729.21-375,829.57-82,205.56

Finding the Fourth Proportional to 250,729.21, 375,829.57 and 82,205.56

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Solution

The fourth proportional to 250,729.21, 375,829.57 and 82,205.56 is: 123,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,729.21 : 375,829.57 = 82,205.56 : x
  2. Step 2: Convert to fraction form
    250,729.21/375,829.57 = 82,205.56/x
  3. Step 3: Cross multiply
    250,729.21x = 375,829.57 × 82,205.56
  4. Step 4: Simplify right side
    250,729.21x = 30,895,280,266.41
  5. Step 5: Solve for x
    x = 30,895,280,266.41/250,729.21
  6. Step 6: Final answer
    x = 123,221.70

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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.