Home / 190,209.26-262,496.70-105,326.33

Finding the Fourth Proportional to 190,209.26, 262,496.70 and 105,326.33

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Solution

The fourth proportional to 190,209.26, 262,496.70 and 105,326.33 is: 145,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.26 : 262,496.70 = 105,326.33 : x
  2. Step 2: Convert to fraction form
    190,209.26/262,496.70 = 105,326.33/x
  3. Step 3: Cross multiply
    190,209.26x = 262,496.70 × 105,326.33
  4. Step 4: Simplify right side
    190,209.26x = 27,647,812,209.00
  5. Step 5: Solve for x
    x = 27,647,812,209.00/190,209.26
  6. Step 6: Final answer
    x = 145,354.71

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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.