Home / 179,785.22-247,998.84-115,231.46

Finding the Fourth Proportional to 179,785.22, 247,998.84 and 115,231.46

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Solution

The fourth proportional to 179,785.22, 247,998.84 and 115,231.46 is: 158,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,785.22 : 247,998.84 = 115,231.46 : x
  2. Step 2: Convert to fraction form
    179,785.22/247,998.84 = 115,231.46/x
  3. Step 3: Cross multiply
    179,785.22x = 247,998.84 × 115,231.46
  4. Step 4: Simplify right side
    179,785.22x = 28,577,268,411.51
  5. Step 5: Solve for x
    x = 28,577,268,411.51/179,785.22
  6. Step 6: Final answer
    x = 158,952.27

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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.