Home / 207,350.72-311,075.44-67,109.34

Finding the Fourth Proportional to 207,350.72, 311,075.44 and 67,109.34

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Solution

The fourth proportional to 207,350.72, 311,075.44 and 67,109.34 is: 100,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,350.72 : 311,075.44 = 67,109.34 : x
  2. Step 2: Convert to fraction form
    207,350.72/311,075.44 = 67,109.34/x
  3. Step 3: Cross multiply
    207,350.72x = 311,075.44 × 67,109.34
  4. Step 4: Simplify right side
    207,350.72x = 20,876,068,467.37
  5. Step 5: Solve for x
    x = 20,876,068,467.37/207,350.72
  6. Step 6: Final answer
    x = 100,679.99

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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.