Home / 190,139.32-262,406.84-108,469.37

Finding the Fourth Proportional to 190,139.32, 262,406.84 and 108,469.37

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Solution

The fourth proportional to 190,139.32, 262,406.84 and 108,469.37 is: 149,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,139.32 : 262,406.84 = 108,469.37 : x
  2. Step 2: Convert to fraction form
    190,139.32/262,406.84 = 108,469.37/x
  3. Step 3: Cross multiply
    190,139.32x = 262,406.84 × 108,469.37
  4. Step 4: Simplify right side
    190,139.32x = 28,463,104,515.69
  5. Step 5: Solve for x
    x = 28,463,104,515.69/190,139.32
  6. Step 6: Final answer
    x = 149,696.05

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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.