Home / 275,919.06-380,906.08-180,571.38

Finding the Fourth Proportional to 275,919.06, 380,906.08 and 180,571.38

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Solution

The fourth proportional to 275,919.06, 380,906.08 and 180,571.38 is: 249,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,919.06 : 380,906.08 = 180,571.38 : x
  2. Step 2: Convert to fraction form
    275,919.06/380,906.08 = 180,571.38/x
  3. Step 3: Cross multiply
    275,919.06x = 380,906.08 × 180,571.38
  4. Step 4: Simplify right side
    275,919.06x = 68,780,736,515.99
  5. Step 5: Solve for x
    x = 68,780,736,515.99/275,919.06
  6. Step 6: Final answer
    x = 249,278.67

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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.