Home / 122,515.48-183,662.26-85,093.22

Finding the Fourth Proportional to 122,515.48, 183,662.26 and 85,093.22

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Solution

The fourth proportional to 122,515.48, 183,662.26 and 85,093.22 is: 127,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,515.48 : 183,662.26 = 85,093.22 : x
  2. Step 2: Convert to fraction form
    122,515.48/183,662.26 = 85,093.22/x
  3. Step 3: Cross multiply
    122,515.48x = 183,662.26 × 85,093.22
  4. Step 4: Simplify right side
    122,515.48x = 15,628,413,095.88
  5. Step 5: Solve for x
    x = 15,628,413,095.88/122,515.48
  6. Step 6: Final answer
    x = 127,562.76

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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.