Home / 195,470.63-269,778.48-123,857.36

Finding the Fourth Proportional to 195,470.63, 269,778.48 and 123,857.36

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Solution

The fourth proportional to 195,470.63, 269,778.48 and 123,857.36 is: 170,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,470.63 : 269,778.48 = 123,857.36 : x
  2. Step 2: Convert to fraction form
    195,470.63/269,778.48 = 123,857.36/x
  3. Step 3: Cross multiply
    195,470.63x = 269,778.48 × 123,857.36
  4. Step 4: Simplify right side
    195,470.63x = 33,414,050,317.61
  5. Step 5: Solve for x
    x = 33,414,050,317.61/195,470.63
  6. Step 6: Final answer
    x = 170,941.54

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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.