Home / 286,965.39-395,905.28-179,494.59

Finding the Fourth Proportional to 286,965.39, 395,905.28 and 179,494.59

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Solution

The fourth proportional to 286,965.39, 395,905.28 and 179,494.59 is: 247,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,965.39 : 395,905.28 = 179,494.59 : x
  2. Step 2: Convert to fraction form
    286,965.39/395,905.28 = 179,494.59/x
  3. Step 3: Cross multiply
    286,965.39x = 395,905.28 × 179,494.59
  4. Step 4: Simplify right side
    286,965.39x = 71,062,855,014.96
  5. Step 5: Solve for x
    x = 71,062,855,014.96/286,965.39
  6. Step 6: Final answer
    x = 247,635.63

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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.