Home / 183,971.40-275,738.40-165,163.20

Finding the Fourth Proportional to 183,971.40, 275,738.40 and 165,163.20

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Solution

The fourth proportional to 183,971.40, 275,738.40 and 165,163.20 is: 247,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,971.40 : 275,738.40 = 165,163.20 : x
  2. Step 2: Convert to fraction form
    183,971.40/275,738.40 = 165,163.20/x
  3. Step 3: Cross multiply
    183,971.40x = 275,738.40 × 165,163.20
  4. Step 4: Simplify right side
    183,971.40x = 45,541,836,506.88
  5. Step 5: Solve for x
    x = 45,541,836,506.88/183,971.40
  6. Step 6: Final answer
    x = 247,548.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.