Home / 194,808.30-291,991.14-82,418.37

Finding the Fourth Proportional to 194,808.30, 291,991.14 and 82,418.37

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Solution

The fourth proportional to 194,808.30, 291,991.14 and 82,418.37 is: 123,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,808.30 : 291,991.14 = 82,418.37 : x
  2. Step 2: Convert to fraction form
    194,808.30/291,991.14 = 82,418.37/x
  3. Step 3: Cross multiply
    194,808.30x = 291,991.14 × 82,418.37
  4. Step 4: Simplify right side
    194,808.30x = 24,065,433,813.24
  5. Step 5: Solve for x
    x = 24,065,433,813.24/194,808.30
  6. Step 6: Final answer
    x = 123,533.92

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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.