Home / 151,399.22-208,928.99-82,491.56

Finding the Fourth Proportional to 151,399.22, 208,928.99 and 82,491.56

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Solution

The fourth proportional to 151,399.22, 208,928.99 and 82,491.56 is: 113,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,399.22 : 208,928.99 = 82,491.56 : x
  2. Step 2: Convert to fraction form
    151,399.22/208,928.99 = 82,491.56/x
  3. Step 3: Cross multiply
    151,399.22x = 208,928.99 × 82,491.56
  4. Step 4: Simplify right side
    151,399.22x = 17,234,877,840.18
  5. Step 5: Solve for x
    x = 17,234,877,840.18/151,399.22
  6. Step 6: Final answer
    x = 113,837.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.