Home / 145,832.20-218,748.30-82,846.60

Finding the Fourth Proportional to 145,832.20, 218,748.30 and 82,846.60

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Solution

The fourth proportional to 145,832.20, 218,748.30 and 82,846.60 is: 124,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,832.20 : 218,748.30 = 82,846.60 : x
  2. Step 2: Convert to fraction form
    145,832.20/218,748.30 = 82,846.60/x
  3. Step 3: Cross multiply
    145,832.20x = 218,748.30 × 82,846.60
  4. Step 4: Simplify right side
    145,832.20x = 18,122,552,910.78
  5. Step 5: Solve for x
    x = 18,122,552,910.78/145,832.20
  6. Step 6: Final answer
    x = 124,269.90

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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.