Home / 147,983.76-204,382.44-136,786.32

Finding the Fourth Proportional to 147,983.76, 204,382.44 and 136,786.32

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Solution

The fourth proportional to 147,983.76, 204,382.44 and 136,786.32 is: 188,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,983.76 : 204,382.44 = 136,786.32 : x
  2. Step 2: Convert to fraction form
    147,983.76/204,382.44 = 136,786.32/x
  3. Step 3: Cross multiply
    147,983.76x = 204,382.44 × 136,786.32
  4. Step 4: Simplify right side
    147,983.76x = 27,956,721,840.22
  5. Step 5: Solve for x
    x = 27,956,721,840.22/147,983.76
  6. Step 6: Final answer
    x = 188,917.50

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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.