Home / 191,736.23-287,286.48-116,629.16

Finding the Fourth Proportional to 191,736.23, 287,286.48 and 116,629.16

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Solution

The fourth proportional to 191,736.23, 287,286.48 and 116,629.16 is: 174,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,736.23 : 287,286.48 = 116,629.16 : x
  2. Step 2: Convert to fraction form
    191,736.23/287,286.48 = 116,629.16/x
  3. Step 3: Cross multiply
    191,736.23x = 287,286.48 × 116,629.16
  4. Step 4: Simplify right side
    191,736.23x = 33,505,979,405.32
  5. Step 5: Solve for x
    x = 33,505,979,405.32/191,736.23
  6. Step 6: Final answer
    x = 174,750.39

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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.