Home / 113,198.85-169,868.30-65,836.17

Finding the Fourth Proportional to 113,198.85, 169,868.30 and 65,836.17

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Solution

The fourth proportional to 113,198.85, 169,868.30 and 65,836.17 is: 98,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,198.85 : 169,868.30 = 65,836.17 : x
  2. Step 2: Convert to fraction form
    113,198.85/169,868.30 = 65,836.17/x
  3. Step 3: Cross multiply
    113,198.85x = 169,868.30 × 65,836.17
  4. Step 4: Simplify right side
    113,198.85x = 11,183,477,947.23
  5. Step 5: Solve for x
    x = 11,183,477,947.23/113,198.85
  6. Step 6: Final answer
    x = 98,794.98

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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.