Home / 229,968.62-345,010.32-80,211.06

Finding the Fourth Proportional to 229,968.62, 345,010.32 and 80,211.06

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Solution

The fourth proportional to 229,968.62, 345,010.32 and 80,211.06 is: 120,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,968.62 : 345,010.32 = 80,211.06 : x
  2. Step 2: Convert to fraction form
    229,968.62/345,010.32 = 80,211.06/x
  3. Step 3: Cross multiply
    229,968.62x = 345,010.32 × 80,211.06
  4. Step 4: Simplify right side
    229,968.62x = 27,673,643,478.14
  5. Step 5: Solve for x
    x = 27,673,643,478.14/229,968.62
  6. Step 6: Final answer
    x = 120,336.61

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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.