Home / 122,638.10-184,074.60-63,516.20

Finding the Fourth Proportional to 122,638.10, 184,074.60 and 63,516.20

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Solution

The fourth proportional to 122,638.10, 184,074.60 and 63,516.20 is: 95,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,638.10 : 184,074.60 = 63,516.20 : x
  2. Step 2: Convert to fraction form
    122,638.10/184,074.60 = 63,516.20/x
  3. Step 3: Cross multiply
    122,638.10x = 184,074.60 × 63,516.20
  4. Step 4: Simplify right side
    122,638.10x = 11,691,719,108.52
  5. Step 5: Solve for x
    x = 11,691,719,108.52/122,638.10
  6. Step 6: Final answer
    x = 95,335.13

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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.