Home / 208,579.95-287,846.00-117,949.48

Finding the Fourth Proportional to 208,579.95, 287,846.00 and 117,949.48

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Solution

The fourth proportional to 208,579.95, 287,846.00 and 117,949.48 is: 162,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,579.95 : 287,846.00 = 117,949.48 : x
  2. Step 2: Convert to fraction form
    208,579.95/287,846.00 = 117,949.48/x
  3. Step 3: Cross multiply
    208,579.95x = 287,846.00 × 117,949.48
  4. Step 4: Simplify right side
    208,579.95x = 33,951,285,153.03
  5. Step 5: Solve for x
    x = 33,951,285,153.03/208,579.95
  6. Step 6: Final answer
    x = 162,773.48

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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.