Home / 318,241.19-477,259.68-104,961.15

Finding the Fourth Proportional to 318,241.19, 477,259.68 and 104,961.15

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Solution

The fourth proportional to 318,241.19, 477,259.68 and 104,961.15 is: 157,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,241.19 : 477,259.68 = 104,961.15 : x
  2. Step 2: Convert to fraction form
    318,241.19/477,259.68 = 104,961.15/x
  3. Step 3: Cross multiply
    318,241.19x = 477,259.68 × 104,961.15
  4. Step 4: Simplify right side
    318,241.19x = 50,093,724,861.43
  5. Step 5: Solve for x
    x = 50,093,724,861.43/318,241.19
  6. Step 6: Final answer
    x = 157,408.05

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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.