Home / 345,537.42-518,376.60-195,844.56

Finding the Fourth Proportional to 345,537.42, 518,376.60 and 195,844.56

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Solution

The fourth proportional to 345,537.42, 518,376.60 and 195,844.56 is: 293,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,537.42 : 518,376.60 = 195,844.56 : x
  2. Step 2: Convert to fraction form
    345,537.42/518,376.60 = 195,844.56/x
  3. Step 3: Cross multiply
    345,537.42x = 518,376.60 × 195,844.56
  4. Step 4: Simplify right side
    345,537.42x = 101,521,237,141.30
  5. Step 5: Solve for x
    x = 101,521,237,141.30/345,537.42
  6. Step 6: Final answer
    x = 293,806.78

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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.