Home / 194,539.14-291,839.07-82,219.86

Finding the Fourth Proportional to 194,539.14, 291,839.07 and 82,219.86

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Solution

The fourth proportional to 194,539.14, 291,839.07 and 82,219.86 is: 123,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,539.14 : 291,839.07 = 82,219.86 : x
  2. Step 2: Convert to fraction form
    194,539.14/291,839.07 = 82,219.86/x
  3. Step 3: Cross multiply
    194,539.14x = 291,839.07 × 82,219.86
  4. Step 4: Simplify right side
    194,539.14x = 23,994,967,477.93
  5. Step 5: Solve for x
    x = 23,994,967,477.93/194,539.14
  6. Step 6: Final answer
    x = 123,342.62

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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.