Home / 117,174.06-161,716.30-71,844.03

Finding the Fourth Proportional to 117,174.06, 161,716.30 and 71,844.03

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Solution

The fourth proportional to 117,174.06, 161,716.30 and 71,844.03 is: 99,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.06 : 161,716.30 = 71,844.03 : x
  2. Step 2: Convert to fraction form
    117,174.06/161,716.30 = 71,844.03/x
  3. Step 3: Cross multiply
    117,174.06x = 161,716.30 × 71,844.03
  4. Step 4: Simplify right side
    117,174.06x = 11,618,350,529.08
  5. Step 5: Solve for x
    x = 11,618,350,529.08/117,174.06
  6. Step 6: Final answer
    x = 99,154.63

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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.