Home / 190,372.95-262,713.78-104,331.78

Finding the Fourth Proportional to 190,372.95, 262,713.78 and 104,331.78

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Solution

The fourth proportional to 190,372.95, 262,713.78 and 104,331.78 is: 143,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,372.95 : 262,713.78 = 104,331.78 : x
  2. Step 2: Convert to fraction form
    190,372.95/262,713.78 = 104,331.78/x
  3. Step 3: Cross multiply
    190,372.95x = 262,713.78 × 104,331.78
  4. Step 4: Simplify right side
    190,372.95x = 27,409,396,297.93
  5. Step 5: Solve for x
    x = 27,409,396,297.93/190,372.95
  6. Step 6: Final answer
    x = 143,977.37

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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.