Home / 251,960.40-377,422.20-173,163.60

Finding the Fourth Proportional to 251,960.40, 377,422.20 and 173,163.60

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Solution

The fourth proportional to 251,960.40, 377,422.20 and 173,163.60 is: 259,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,960.40 : 377,422.20 = 173,163.60 : x
  2. Step 2: Convert to fraction form
    251,960.40/377,422.20 = 173,163.60/x
  3. Step 3: Cross multiply
    251,960.40x = 377,422.20 × 173,163.60
  4. Step 4: Simplify right side
    251,960.40x = 65,355,786,871.92
  5. Step 5: Solve for x
    x = 65,355,786,871.92/251,960.40
  6. Step 6: Final answer
    x = 259,389.12

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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.