Home / 194,636.10-291,932.55-54,408.90

Finding the Fourth Proportional to 194,636.10, 291,932.55 and 54,408.90

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Solution

The fourth proportional to 194,636.10, 291,932.55 and 54,408.90 is: 81,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,636.10 : 291,932.55 = 54,408.90 : x
  2. Step 2: Convert to fraction form
    194,636.10/291,932.55 = 54,408.90/x
  3. Step 3: Cross multiply
    194,636.10x = 291,932.55 × 54,408.90
  4. Step 4: Simplify right side
    194,636.10x = 15,883,728,919.70
  5. Step 5: Solve for x
    x = 15,883,728,919.70/194,636.10
  6. Step 6: Final answer
    x = 81,607.31

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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.