Home / 204,628.56-282,322.44-115,187.28

Finding the Fourth Proportional to 204,628.56, 282,322.44 and 115,187.28

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Solution

The fourth proportional to 204,628.56, 282,322.44 and 115,187.28 is: 158,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,628.56 : 282,322.44 = 115,187.28 : x
  2. Step 2: Convert to fraction form
    204,628.56/282,322.44 = 115,187.28/x
  3. Step 3: Cross multiply
    204,628.56x = 282,322.44 × 115,187.28
  4. Step 4: Simplify right side
    204,628.56x = 32,519,953,946.56
  5. Step 5: Solve for x
    x = 32,519,953,946.56/204,628.56
  6. Step 6: Final answer
    x = 158,921.87

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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.