Home / 122,705.20-184,230.60-96,439.60

Finding the Fourth Proportional to 122,705.20, 184,230.60 and 96,439.60

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Solution

The fourth proportional to 122,705.20, 184,230.60 and 96,439.60 is: 144,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,705.20 : 184,230.60 = 96,439.60 : x
  2. Step 2: Convert to fraction form
    122,705.20/184,230.60 = 96,439.60/x
  3. Step 3: Cross multiply
    122,705.20x = 184,230.60 × 96,439.60
  4. Step 4: Simplify right side
    122,705.20x = 17,767,125,371.76
  5. Step 5: Solve for x
    x = 17,767,125,371.76/122,705.20
  6. Step 6: Final answer
    x = 144,795.21

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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.