Home / 116,910.90-161,298.36-65,917.26

Finding the Fourth Proportional to 116,910.90, 161,298.36 and 65,917.26

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Solution

The fourth proportional to 116,910.90, 161,298.36 and 65,917.26 is: 90,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,910.90 : 161,298.36 = 65,917.26 : x
  2. Step 2: Convert to fraction form
    116,910.90/161,298.36 = 65,917.26/x
  3. Step 3: Cross multiply
    116,910.90x = 161,298.36 × 65,917.26
  4. Step 4: Simplify right side
    116,910.90x = 10,632,345,933.69
  5. Step 5: Solve for x
    x = 10,632,345,933.69/116,910.90
  6. Step 6: Final answer
    x = 90,944.01

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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.