Home / 156,464.60-234,635.48-55,241.06

Finding the Fourth Proportional to 156,464.60, 234,635.48 and 55,241.06

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Solution

The fourth proportional to 156,464.60, 234,635.48 and 55,241.06 is: 82,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,464.60 : 234,635.48 = 55,241.06 : x
  2. Step 2: Convert to fraction form
    156,464.60/234,635.48 = 55,241.06/x
  3. Step 3: Cross multiply
    156,464.60x = 234,635.48 × 55,241.06
  4. Step 4: Simplify right side
    156,464.60x = 12,961,511,697.31
  5. Step 5: Solve for x
    x = 12,961,511,697.31/156,464.60
  6. Step 6: Final answer
    x = 82,839.90

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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.