Home / 156,141.78-234,234.79-48,080.03

Finding the Fourth Proportional to 156,141.78, 234,234.79 and 48,080.03

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Solution

The fourth proportional to 156,141.78, 234,234.79 and 48,080.03 is: 72,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,141.78 : 234,234.79 = 48,080.03 : x
  2. Step 2: Convert to fraction form
    156,141.78/234,234.79 = 48,080.03/x
  3. Step 3: Cross multiply
    156,141.78x = 234,234.79 × 48,080.03
  4. Step 4: Simplify right side
    156,141.78x = 11,262,015,756.44
  5. Step 5: Solve for x
    x = 11,262,015,756.44/156,141.78
  6. Step 6: Final answer
    x = 72,126.86

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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.