Home / 325,530.80-449,222.04-180,330.60

Finding the Fourth Proportional to 325,530.80, 449,222.04 and 180,330.60

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Solution

The fourth proportional to 325,530.80, 449,222.04 and 180,330.60 is: 248,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,530.80 : 449,222.04 = 180,330.60 : x
  2. Step 2: Convert to fraction form
    325,530.80/449,222.04 = 180,330.60/x
  3. Step 3: Cross multiply
    325,530.80x = 449,222.04 × 180,330.60
  4. Step 4: Simplify right side
    325,530.80x = 81,008,480,006.42
  5. Step 5: Solve for x
    x = 81,008,480,006.42/325,530.80
  6. Step 6: Final answer
    x = 248,850.43

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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.