Home / 325,580.12-449,290.08-180,379.94

Finding the Fourth Proportional to 325,580.12, 449,290.08 and 180,379.94

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Solution

The fourth proportional to 325,580.12, 449,290.08 and 180,379.94 is: 248,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,580.12 : 449,290.08 = 180,379.94 : x
  2. Step 2: Convert to fraction form
    325,580.12/449,290.08 = 180,379.94/x
  3. Step 3: Cross multiply
    325,580.12x = 449,290.08 × 180,379.94
  4. Step 4: Simplify right side
    325,580.12x = 81,042,918,119.80
  5. Step 5: Solve for x
    x = 81,042,918,119.80/325,580.12
  6. Step 6: Final answer
    x = 248,918.51

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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.