Home / 190,161-262,422.18-105,283.53

Finding the Fourth Proportional to 190,161, 262,422.18 and 105,283.53

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Solution

The fourth proportional to 190,161, 262,422.18 and 105,283.53 is: 145,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,161 : 262,422.18 = 105,283.53 : x
  2. Step 2: Convert to fraction form
    190,161/262,422.18 = 105,283.53/x
  3. Step 3: Cross multiply
    190,161x = 262,422.18 × 105,283.53
  4. Step 4: Simplify right side
    190,161x = 27,628,733,460.70
  5. Step 5: Solve for x
    x = 27,628,733,460.70/190,161
  6. Step 6: Final answer
    x = 145,291.27

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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.