Home / 194,336.82-291,505.23-111,172.50

Finding the Fourth Proportional to 194,336.82, 291,505.23 and 111,172.50

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Solution

The fourth proportional to 194,336.82, 291,505.23 and 111,172.50 is: 166,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,336.82 : 291,505.23 = 111,172.50 : x
  2. Step 2: Convert to fraction form
    194,336.82/291,505.23 = 111,172.50/x
  3. Step 3: Cross multiply
    194,336.82x = 291,505.23 × 111,172.50
  4. Step 4: Simplify right side
    194,336.82x = 32,407,365,182.18
  5. Step 5: Solve for x
    x = 32,407,365,182.18/194,336.82
  6. Step 6: Final answer
    x = 166,758.75

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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.