Home / 116,910.51-161,336.44-63,195.53

Finding the Fourth Proportional to 116,910.51, 161,336.44 and 63,195.53

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Solution

The fourth proportional to 116,910.51, 161,336.44 and 63,195.53 is: 87,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,910.51 : 161,336.44 = 63,195.53 : x
  2. Step 2: Convert to fraction form
    116,910.51/161,336.44 = 63,195.53/x
  3. Step 3: Cross multiply
    116,910.51x = 161,336.44 × 63,195.53
  4. Step 4: Simplify right side
    116,910.51x = 10,195,741,474.45
  5. Step 5: Solve for x
    x = 10,195,741,474.45/116,910.51
  6. Step 6: Final answer
    x = 87,209.79

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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.