Home / 190,675.40-263,132.09-105,792.26

Finding the Fourth Proportional to 190,675.40, 263,132.09 and 105,792.26

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Solution

The fourth proportional to 190,675.40, 263,132.09 and 105,792.26 is: 145,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,675.40 : 263,132.09 = 105,792.26 : x
  2. Step 2: Convert to fraction form
    190,675.40/263,132.09 = 105,792.26/x
  3. Step 3: Cross multiply
    190,675.40x = 263,132.09 × 105,792.26
  4. Step 4: Simplify right side
    190,675.40x = 27,837,336,635.00
  5. Step 5: Solve for x
    x = 27,837,336,635.00/190,675.40
  6. Step 6: Final answer
    x = 145,993.33

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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.