Home / 101,317.14-151,992.41-31,196.45

Finding the Fourth Proportional to 101,317.14, 151,992.41 and 31,196.45

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Solution

The fourth proportional to 101,317.14, 151,992.41 and 31,196.45 is: 46,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,317.14 : 151,992.41 = 31,196.45 : x
  2. Step 2: Convert to fraction form
    101,317.14/151,992.41 = 31,196.45/x
  3. Step 3: Cross multiply
    101,317.14x = 151,992.41 × 31,196.45
  4. Step 4: Simplify right side
    101,317.14x = 4,741,622,703.00
  5. Step 5: Solve for x
    x = 4,741,622,703.00/101,317.14
  6. Step 6: Final answer
    x = 46,799.81

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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.