Home / 208,579.64-287,845.57-117,949.16

Finding the Fourth Proportional to 208,579.64, 287,845.57 and 117,949.16

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Solution

The fourth proportional to 208,579.64, 287,845.57 and 117,949.16 is: 162,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,579.64 : 287,845.57 = 117,949.16 : x
  2. Step 2: Convert to fraction form
    208,579.64/287,845.57 = 117,949.16/x
  3. Step 3: Cross multiply
    208,579.64x = 287,845.57 × 117,949.16
  4. Step 4: Simplify right side
    208,579.64x = 33,951,143,191.22
  5. Step 5: Solve for x
    x = 33,951,143,191.22/208,579.64
  6. Step 6: Final answer
    x = 162,773.05

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1.5x scale

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.