Home / 118,896.30-164,049.94-80,661.06

Finding the Fourth Proportional to 118,896.30, 164,049.94 and 80,661.06

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Solution

The fourth proportional to 118,896.30, 164,049.94 and 80,661.06 is: 111,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,896.30 : 164,049.94 = 80,661.06 : x
  2. Step 2: Convert to fraction form
    118,896.30/164,049.94 = 80,661.06/x
  3. Step 3: Cross multiply
    118,896.30x = 164,049.94 × 80,661.06
  4. Step 4: Simplify right side
    118,896.30x = 13,232,442,053.34
  5. Step 5: Solve for x
    x = 13,232,442,053.34/118,896.30
  6. Step 6: Final answer
    x = 111,293.98

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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.