Home / 267,308.10-401,064.55-263,109.70

Finding the Fourth Proportional to 267,308.10, 401,064.55 and 263,109.70

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Solution

The fourth proportional to 267,308.10, 401,064.55 and 263,109.70 is: 394,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,308.10 : 401,064.55 = 263,109.70 : x
  2. Step 2: Convert to fraction form
    267,308.10/401,064.55 = 263,109.70/x
  3. Step 3: Cross multiply
    267,308.10x = 401,064.55 × 263,109.70
  4. Step 4: Simplify right side
    267,308.10x = 105,523,973,431.14
  5. Step 5: Solve for x
    x = 105,523,973,431.14/267,308.10
  6. Step 6: Final answer
    x = 394,765.34

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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.