Home / 122,900.25-184,178.91-92,889.75

Finding the Fourth Proportional to 122,900.25, 184,178.91 and 92,889.75

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Solution

The fourth proportional to 122,900.25, 184,178.91 and 92,889.75 is: 139,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,900.25 : 184,178.91 = 92,889.75 : x
  2. Step 2: Convert to fraction form
    122,900.25/184,178.91 = 92,889.75/x
  3. Step 3: Cross multiply
    122,900.25x = 184,178.91 × 92,889.75
  4. Step 4: Simplify right side
    122,900.25x = 17,108,332,905.17
  5. Step 5: Solve for x
    x = 17,108,332,905.17/122,900.25
  6. Step 6: Final answer
    x = 139,205.03

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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.