Home / 207,453.50-311,180.55-57,693.80

Finding the Fourth Proportional to 207,453.50, 311,180.55 and 57,693.80

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Solution

The fourth proportional to 207,453.50, 311,180.55 and 57,693.80 is: 86,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,453.50 : 311,180.55 = 57,693.80 : x
  2. Step 2: Convert to fraction form
    207,453.50/311,180.55 = 57,693.80/x
  3. Step 3: Cross multiply
    207,453.50x = 311,180.55 × 57,693.80
  4. Step 4: Simplify right side
    207,453.50x = 17,953,188,415.59
  5. Step 5: Solve for x
    x = 17,953,188,415.59/207,453.50
  6. Step 6: Final answer
    x = 86,540.78

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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.