Home / 194,415.43-291,517.62-87,674.50

Finding the Fourth Proportional to 194,415.43, 291,517.62 and 87,674.50

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Solution

The fourth proportional to 194,415.43, 291,517.62 and 87,674.50 is: 131,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,415.43 : 291,517.62 = 87,674.50 : x
  2. Step 2: Convert to fraction form
    194,415.43/291,517.62 = 87,674.50/x
  3. Step 3: Cross multiply
    194,415.43x = 291,517.62 × 87,674.50
  4. Step 4: Simplify right side
    194,415.43x = 25,558,659,970.52
  5. Step 5: Solve for x
    x = 25,558,659,970.52/194,415.43
  6. Step 6: Final answer
    x = 131,464.15

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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.