Home / 178,464.83-267,171.28-156,321.45

Finding the Fourth Proportional to 178,464.83, 267,171.28 and 156,321.45

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Solution

The fourth proportional to 178,464.83, 267,171.28 and 156,321.45 is: 234,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,464.83 : 267,171.28 = 156,321.45 : x
  2. Step 2: Convert to fraction form
    178,464.83/267,171.28 = 156,321.45/x
  3. Step 3: Cross multiply
    178,464.83x = 267,171.28 × 156,321.45
  4. Step 4: Simplify right side
    178,464.83x = 41,764,601,497.15
  5. Step 5: Solve for x
    x = 41,764,601,497.15/178,464.83
  6. Step 6: Final answer
    x = 234,021.47

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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.