Home / 190,163.96-262,418.15-104,121.38

Finding the Fourth Proportional to 190,163.96, 262,418.15 and 104,121.38

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Solution

The fourth proportional to 190,163.96, 262,418.15 and 104,121.38 is: 143,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,163.96 : 262,418.15 = 104,121.38 : x
  2. Step 2: Convert to fraction form
    190,163.96/262,418.15 = 104,121.38/x
  3. Step 3: Cross multiply
    190,163.96x = 262,418.15 × 104,121.38
  4. Step 4: Simplify right side
    190,163.96x = 27,323,338,082.35
  5. Step 5: Solve for x
    x = 27,323,338,082.35/190,163.96
  6. Step 6: Final answer
    x = 143,683.06

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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.