Home / 122,279.68-183,284.87-92,197.46

Finding the Fourth Proportional to 122,279.68, 183,284.87 and 92,197.46

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Solution

The fourth proportional to 122,279.68, 183,284.87 and 92,197.46 is: 138,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,279.68 : 183,284.87 = 92,197.46 : x
  2. Step 2: Convert to fraction form
    122,279.68/183,284.87 = 92,197.46/x
  3. Step 3: Cross multiply
    122,279.68x = 183,284.87 × 92,197.46
  4. Step 4: Simplify right side
    122,279.68x = 16,898,399,883.56
  5. Step 5: Solve for x
    x = 16,898,399,883.56/122,279.68
  6. Step 6: Final answer
    x = 138,194.67

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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.