Home / 194,571.72-291,865.50-87,935.22

Finding the Fourth Proportional to 194,571.72, 291,865.50 and 87,935.22

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Solution

The fourth proportional to 194,571.72, 291,865.50 and 87,935.22 is: 131,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,571.72 : 291,865.50 = 87,935.22 : x
  2. Step 2: Convert to fraction form
    194,571.72/291,865.50 = 87,935.22/x
  3. Step 3: Cross multiply
    194,571.72x = 291,865.50 × 87,935.22
  4. Step 4: Simplify right side
    194,571.72x = 25,665,256,952.91
  5. Step 5: Solve for x
    x = 25,665,256,952.91/194,571.72
  6. Step 6: Final answer
    x = 131,906.41

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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.