Home / 267,631.44-401,426.64-99,072.60

Finding the Fourth Proportional to 267,631.44, 401,426.64 and 99,072.60

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Solution

The fourth proportional to 267,631.44, 401,426.64 and 99,072.60 is: 148,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,631.44 : 401,426.64 = 99,072.60 : x
  2. Step 2: Convert to fraction form
    267,631.44/401,426.64 = 99,072.60/x
  3. Step 3: Cross multiply
    267,631.44x = 401,426.64 × 99,072.60
  4. Step 4: Simplify right side
    267,631.44x = 39,770,380,934.06
  5. Step 5: Solve for x
    x = 39,770,380,934.06/267,631.44
  6. Step 6: Final answer
    x = 148,601.30

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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.