Home / 116,171.93-173,977.20-66,100.34

Finding the Fourth Proportional to 116,171.93, 173,977.20 and 66,100.34

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Solution

The fourth proportional to 116,171.93, 173,977.20 and 66,100.34 is: 98,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,171.93 : 173,977.20 = 66,100.34 : x
  2. Step 2: Convert to fraction form
    116,171.93/173,977.20 = 66,100.34/x
  3. Step 3: Cross multiply
    116,171.93x = 173,977.20 × 66,100.34
  4. Step 4: Simplify right side
    116,171.93x = 11,499,951,202.36
  5. Step 5: Solve for x
    x = 11,499,951,202.36/116,171.93
  6. Step 6: Final answer
    x = 98,990.79

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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.