Home / 156,331.73-234,440.16-53,719.96

Finding the Fourth Proportional to 156,331.73, 234,440.16 and 53,719.96

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Solution

The fourth proportional to 156,331.73, 234,440.16 and 53,719.96 is: 80,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,331.73 : 234,440.16 = 53,719.96 : x
  2. Step 2: Convert to fraction form
    156,331.73/234,440.16 = 53,719.96/x
  3. Step 3: Cross multiply
    156,331.73x = 234,440.16 × 53,719.96
  4. Step 4: Simplify right side
    156,331.73x = 12,594,115,745.16
  5. Step 5: Solve for x
    x = 12,594,115,745.16/156,331.73
  6. Step 6: Final answer
    x = 80,560.20

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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.