Home / 122,003.73-168,365.10-68,288.73

Finding the Fourth Proportional to 122,003.73, 168,365.10 and 68,288.73

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Solution

The fourth proportional to 122,003.73, 168,365.10 and 68,288.73 is: 94,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,003.73 : 168,365.10 = 68,288.73 : x
  2. Step 2: Convert to fraction form
    122,003.73/168,365.10 = 68,288.73/x
  3. Step 3: Cross multiply
    122,003.73x = 168,365.10 × 68,288.73
  4. Step 4: Simplify right side
    122,003.73x = 11,497,438,013.50
  5. Step 5: Solve for x
    x = 11,497,438,013.50/122,003.73
  6. Step 6: Final answer
    x = 94,238.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.