Home / 168,238.32-252,382.72-54,348.08

Finding the Fourth Proportional to 168,238.32, 252,382.72 and 54,348.08

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Solution

The fourth proportional to 168,238.32, 252,382.72 and 54,348.08 is: 81,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,238.32 : 252,382.72 = 54,348.08 : x
  2. Step 2: Convert to fraction form
    168,238.32/252,382.72 = 54,348.08/x
  3. Step 3: Cross multiply
    168,238.32x = 252,382.72 × 54,348.08
  4. Step 4: Simplify right side
    168,238.32x = 13,716,516,257.18
  5. Step 5: Solve for x
    x = 13,716,516,257.18/168,238.32
  6. Step 6: Final answer
    x = 81,530.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.