Home / 195,451.42-269,943.96-131,678.50

Finding the Fourth Proportional to 195,451.42, 269,943.96 and 131,678.50

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Solution

The fourth proportional to 195,451.42, 269,943.96 and 131,678.50 is: 181,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,451.42 : 269,943.96 = 131,678.50 : x
  2. Step 2: Convert to fraction form
    195,451.42/269,943.96 = 131,678.50/x
  3. Step 3: Cross multiply
    195,451.42x = 269,943.96 × 131,678.50
  4. Step 4: Simplify right side
    195,451.42x = 35,545,815,736.86
  5. Step 5: Solve for x
    x = 35,545,815,736.86/195,451.42
  6. Step 6: Final answer
    x = 181,865.22

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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.