Home / 150,751.41-208,022.22-87,087.84

Finding the Fourth Proportional to 150,751.41, 208,022.22 and 87,087.84

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Solution

The fourth proportional to 150,751.41, 208,022.22 and 87,087.84 is: 120,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,751.41 : 208,022.22 = 87,087.84 : x
  2. Step 2: Convert to fraction form
    150,751.41/208,022.22 = 87,087.84/x
  3. Step 3: Cross multiply
    150,751.41x = 208,022.22 × 87,087.84
  4. Step 4: Simplify right side
    150,751.41x = 18,116,205,811.80
  5. Step 5: Solve for x
    x = 18,116,205,811.80/150,751.41
  6. Step 6: Final answer
    x = 120,172.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.