Home / 267,759.64-401,359.26-90,205.32

Finding the Fourth Proportional to 267,759.64, 401,359.26 and 90,205.32

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Solution

The fourth proportional to 267,759.64, 401,359.26 and 90,205.32 is: 135,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,759.64 : 401,359.26 = 90,205.32 : x
  2. Step 2: Convert to fraction form
    267,759.64/401,359.26 = 90,205.32/x
  3. Step 3: Cross multiply
    267,759.64x = 401,359.26 × 90,205.32
  4. Step 4: Simplify right side
    267,759.64x = 36,204,740,483.26
  5. Step 5: Solve for x
    x = 36,204,740,483.26/267,759.64
  6. Step 6: Final answer
    x = 135,213.58

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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.