Home / 207,464.40-311,196.60-67,237.20

Finding the Fourth Proportional to 207,464.40, 311,196.60 and 67,237.20

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Solution

The fourth proportional to 207,464.40, 311,196.60 and 67,237.20 is: 100,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,464.40 : 311,196.60 = 67,237.20 : x
  2. Step 2: Convert to fraction form
    207,464.40/311,196.60 = 67,237.20/x
  3. Step 3: Cross multiply
    207,464.40x = 311,196.60 × 67,237.20
  4. Step 4: Simplify right side
    207,464.40x = 20,923,988,033.52
  5. Step 5: Solve for x
    x = 20,923,988,033.52/207,464.40
  6. Step 6: Final answer
    x = 100,855.80

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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.