Home / 105,906.36-146,177.22-65,595.96

Finding the Fourth Proportional to 105,906.36, 146,177.22 and 65,595.96

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Solution

The fourth proportional to 105,906.36, 146,177.22 and 65,595.96 is: 90,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,906.36 : 146,177.22 = 65,595.96 : x
  2. Step 2: Convert to fraction form
    105,906.36/146,177.22 = 65,595.96/x
  3. Step 3: Cross multiply
    105,906.36x = 146,177.22 × 65,595.96
  4. Step 4: Simplify right side
    105,906.36x = 9,588,635,076.03
  5. Step 5: Solve for x
    x = 9,588,635,076.03/105,906.36
  6. Step 6: Final answer
    x = 90,538.80

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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.