Home / 195,424.09-269,662.54-109,387.86

Finding the Fourth Proportional to 195,424.09, 269,662.54 and 109,387.86

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Solution

The fourth proportional to 195,424.09, 269,662.54 and 109,387.86 is: 150,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,424.09 : 269,662.54 = 109,387.86 : x
  2. Step 2: Convert to fraction form
    195,424.09/269,662.54 = 109,387.86/x
  3. Step 3: Cross multiply
    195,424.09x = 269,662.54 × 109,387.86
  4. Step 4: Simplify right side
    195,424.09x = 29,497,807,899.29
  5. Step 5: Solve for x
    x = 29,497,807,899.29/195,424.09
  6. Step 6: Final answer
    x = 150,942.54

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1.5x scale

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.