Home / 190,414.35-262,771.26-105,531.41

Finding the Fourth Proportional to 190,414.35, 262,771.26 and 105,531.41

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Solution

The fourth proportional to 190,414.35, 262,771.26 and 105,531.41 is: 145,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,414.35 : 262,771.26 = 105,531.41 : x
  2. Step 2: Convert to fraction form
    190,414.35/262,771.26 = 105,531.41/x
  3. Step 3: Cross multiply
    190,414.35x = 262,771.26 × 105,531.41
  4. Step 4: Simplify right side
    190,414.35x = 27,730,621,836.46
  5. Step 5: Solve for x
    x = 27,730,621,836.46/190,414.35
  6. Step 6: Final answer
    x = 145,633.05

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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.