Home / 345,804.14-518,732.94-132,674.06

Finding the Fourth Proportional to 345,804.14, 518,732.94 and 132,674.06

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Solution

The fourth proportional to 345,804.14, 518,732.94 and 132,674.06 is: 199,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,804.14 : 518,732.94 = 132,674.06 : x
  2. Step 2: Convert to fraction form
    345,804.14/518,732.94 = 132,674.06/x
  3. Step 3: Cross multiply
    345,804.14x = 518,732.94 × 132,674.06
  4. Step 4: Simplify right side
    345,804.14x = 68,822,405,205.54
  5. Step 5: Solve for x
    x = 68,822,405,205.54/345,804.14
  6. Step 6: Final answer
    x = 199,021.35

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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.