Home / 194,440.80-291,625.20-54,170.40

Finding the Fourth Proportional to 194,440.80, 291,625.20 and 54,170.40

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Solution

The fourth proportional to 194,440.80, 291,625.20 and 54,170.40 is: 81,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,440.80 : 291,625.20 = 54,170.40 : x
  2. Step 2: Convert to fraction form
    194,440.80/291,625.20 = 54,170.40/x
  3. Step 3: Cross multiply
    194,440.80x = 291,625.20 × 54,170.40
  4. Step 4: Simplify right side
    194,440.80x = 15,797,453,734.08
  5. Step 5: Solve for x
    x = 15,797,453,734.08/194,440.80
  6. Step 6: Final answer
    x = 81,245.57

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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.