Home / 122,656.64-184,218.40-76,233.92

Finding the Fourth Proportional to 122,656.64, 184,218.40 and 76,233.92

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Solution

The fourth proportional to 122,656.64, 184,218.40 and 76,233.92 is: 114,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,656.64 : 184,218.40 = 76,233.92 : x
  2. Step 2: Convert to fraction form
    122,656.64/184,218.40 = 76,233.92/x
  3. Step 3: Cross multiply
    122,656.64x = 184,218.40 × 76,233.92
  4. Step 4: Simplify right side
    122,656.64x = 14,043,690,768.13
  5. Step 5: Solve for x
    x = 14,043,690,768.13/122,656.64
  6. Step 6: Final answer
    x = 114,495.97

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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.