Home / 114,906.85-172,325.22-92,364.05

Finding the Fourth Proportional to 114,906.85, 172,325.22 and 92,364.05

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Solution

The fourth proportional to 114,906.85, 172,325.22 and 92,364.05 is: 138,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,906.85 : 172,325.22 = 92,364.05 : x
  2. Step 2: Convert to fraction form
    114,906.85/172,325.22 = 92,364.05/x
  3. Step 3: Cross multiply
    114,906.85x = 172,325.22 × 92,364.05
  4. Step 4: Simplify right side
    114,906.85x = 15,916,655,667.15
  5. Step 5: Solve for x
    x = 15,916,655,667.15/114,906.85
  6. Step 6: Final answer
    x = 138,517.90

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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.