Home / 122,961.40-184,442.10-116,546.20

Finding the Fourth Proportional to 122,961.40, 184,442.10 and 116,546.20

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Solution

The fourth proportional to 122,961.40, 184,442.10 and 116,546.20 is: 174,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,961.40 : 184,442.10 = 116,546.20 : x
  2. Step 2: Convert to fraction form
    122,961.40/184,442.10 = 116,546.20/x
  3. Step 3: Cross multiply
    122,961.40x = 184,442.10 × 116,546.20
  4. Step 4: Simplify right side
    122,961.40x = 21,496,025,875.02
  5. Step 5: Solve for x
    x = 21,496,025,875.02/122,961.40
  6. Step 6: Final answer
    x = 174,819.30

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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.