Home / 144,917.28-199,815.12-134,169.12

Finding the Fourth Proportional to 144,917.28, 199,815.12 and 134,169.12

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Solution

The fourth proportional to 144,917.28, 199,815.12 and 134,169.12 is: 184,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,917.28 : 199,815.12 = 134,169.12 : x
  2. Step 2: Convert to fraction form
    144,917.28/199,815.12 = 134,169.12/x
  3. Step 3: Cross multiply
    144,917.28x = 199,815.12 × 134,169.12
  4. Step 4: Simplify right side
    144,917.28x = 26,809,018,813.09
  5. Step 5: Solve for x
    x = 26,809,018,813.09/144,917.28
  6. Step 6: Final answer
    x = 184,995.32

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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.