Home / 194,525.82-291,814.22-76,181.78

Finding the Fourth Proportional to 194,525.82, 291,814.22 and 76,181.78

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Solution

The fourth proportional to 194,525.82, 291,814.22 and 76,181.78 is: 114,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,525.82 : 291,814.22 = 76,181.78 : x
  2. Step 2: Convert to fraction form
    194,525.82/291,814.22 = 76,181.78/x
  3. Step 3: Cross multiply
    194,525.82x = 291,814.22 × 76,181.78
  4. Step 4: Simplify right side
    194,525.82x = 22,230,927,628.90
  5. Step 5: Solve for x
    x = 22,230,927,628.90/194,525.82
  6. Step 6: Final answer
    x = 114,282.66

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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.