Home / 194,485.30-291,611.28-76,015.54

Finding the Fourth Proportional to 194,485.30, 291,611.28 and 76,015.54

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Solution

The fourth proportional to 194,485.30, 291,611.28 and 76,015.54 is: 113,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,485.30 : 291,611.28 = 76,015.54 : x
  2. Step 2: Convert to fraction form
    194,485.30/291,611.28 = 76,015.54/x
  3. Step 3: Cross multiply
    194,485.30x = 291,611.28 × 76,015.54
  4. Step 4: Simplify right side
    194,485.30x = 22,166,988,919.29
  5. Step 5: Solve for x
    x = 22,166,988,919.29/194,485.30
  6. Step 6: Final answer
    x = 113,977.71

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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.