Home / 267,731.64-401,720.04-115,975.12

Finding the Fourth Proportional to 267,731.64, 401,720.04 and 115,975.12

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Solution

The fourth proportional to 267,731.64, 401,720.04 and 115,975.12 is: 174,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,731.64 : 401,720.04 = 115,975.12 : x
  2. Step 2: Convert to fraction form
    267,731.64/401,720.04 = 115,975.12/x
  3. Step 3: Cross multiply
    267,731.64x = 401,720.04 × 115,975.12
  4. Step 4: Simplify right side
    267,731.64x = 46,589,529,845.40
  5. Step 5: Solve for x
    x = 46,589,529,845.40/267,731.64
  6. Step 6: Final answer
    x = 174,015.78

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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.