Home / 122,813.20-184,219.80-63,629.20

Finding the Fourth Proportional to 122,813.20, 184,219.80 and 63,629.20

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Solution

The fourth proportional to 122,813.20, 184,219.80 and 63,629.20 is: 95,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,813.20 : 184,219.80 = 63,629.20 : x
  2. Step 2: Convert to fraction form
    122,813.20/184,219.80 = 63,629.20/x
  3. Step 3: Cross multiply
    122,813.20x = 184,219.80 × 63,629.20
  4. Step 4: Simplify right side
    122,813.20x = 11,721,758,498.16
  5. Step 5: Solve for x
    x = 11,721,758,498.16/122,813.20
  6. Step 6: Final answer
    x = 95,443.80

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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.