Home / 190,766.22-263,209.95-105,862.02

Finding the Fourth Proportional to 190,766.22, 263,209.95 and 105,862.02

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Solution

The fourth proportional to 190,766.22, 263,209.95 and 105,862.02 is: 146,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,766.22 : 263,209.95 = 105,862.02 : x
  2. Step 2: Convert to fraction form
    190,766.22/263,209.95 = 105,862.02/x
  3. Step 3: Cross multiply
    190,766.22x = 263,209.95 × 105,862.02
  4. Step 4: Simplify right side
    190,766.22x = 27,863,936,991.10
  5. Step 5: Solve for x
    x = 27,863,936,991.10/190,766.22
  6. Step 6: Final answer
    x = 146,063.27

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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.