Home / 195,814.72-270,352.32-123,323.20

Finding the Fourth Proportional to 195,814.72, 270,352.32 and 123,323.20

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Solution

The fourth proportional to 195,814.72, 270,352.32 and 123,323.20 is: 170,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,814.72 : 270,352.32 = 123,323.20 : x
  2. Step 2: Convert to fraction form
    195,814.72/270,352.32 = 123,323.20/x
  3. Step 3: Cross multiply
    195,814.72x = 270,352.32 × 123,323.20
  4. Step 4: Simplify right side
    195,814.72x = 33,340,713,229.82
  5. Step 5: Solve for x
    x = 33,340,713,229.82/195,814.72
  6. Step 6: Final answer
    x = 170,266.63

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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.