Home / 116,679.64-160,800.24-80,806.36

Finding the Fourth Proportional to 116,679.64, 160,800.24 and 80,806.36

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Solution

The fourth proportional to 116,679.64, 160,800.24 and 80,806.36 is: 111,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,679.64 : 160,800.24 = 80,806.36 : x
  2. Step 2: Convert to fraction form
    116,679.64/160,800.24 = 80,806.36/x
  3. Step 3: Cross multiply
    116,679.64x = 160,800.24 × 80,806.36
  4. Step 4: Simplify right side
    116,679.64x = 12,993,682,081.53
  5. Step 5: Solve for x
    x = 12,993,682,081.53/116,679.64
  6. Step 6: Final answer
    x = 111,362.03

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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.