Home / 136,999.31-188,936.19-114,105.13

Finding the Fourth Proportional to 136,999.31, 188,936.19 and 114,105.13

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Solution

The fourth proportional to 136,999.31, 188,936.19 and 114,105.13 is: 157,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,999.31 : 188,936.19 = 114,105.13 : x
  2. Step 2: Convert to fraction form
    136,999.31/188,936.19 = 114,105.13/x
  3. Step 3: Cross multiply
    136,999.31x = 188,936.19 × 114,105.13
  4. Step 4: Simplify right side
    136,999.31x = 21,558,588,049.31
  5. Step 5: Solve for x
    x = 21,558,588,049.31/136,999.31
  6. Step 6: Final answer
    x = 157,362.75

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1.5x scale

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.