Home / 207,936.45-286,945.83-117,291.06

Finding the Fourth Proportional to 207,936.45, 286,945.83 and 117,291.06

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Solution

The fourth proportional to 207,936.45, 286,945.83 and 117,291.06 is: 161,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,936.45 : 286,945.83 = 117,291.06 : x
  2. Step 2: Convert to fraction form
    207,936.45/286,945.83 = 117,291.06/x
  3. Step 3: Cross multiply
    207,936.45x = 286,945.83 × 117,291.06
  4. Step 4: Simplify right side
    207,936.45x = 33,656,180,563.28
  5. Step 5: Solve for x
    x = 33,656,180,563.28/207,936.45
  6. Step 6: Final answer
    x = 161,858.01

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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.