Home / 319,780.44-441,297-176,540.76

Finding the Fourth Proportional to 319,780.44, 441,297 and 176,540.76

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Solution

The fourth proportional to 319,780.44, 441,297 and 176,540.76 is: 243,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,780.44 : 441,297 = 176,540.76 : x
  2. Step 2: Convert to fraction form
    319,780.44/441,297 = 176,540.76/x
  3. Step 3: Cross multiply
    319,780.44x = 441,297 × 176,540.76
  4. Step 4: Simplify right side
    319,780.44x = 77,906,907,765.72
  5. Step 5: Solve for x
    x = 77,906,907,765.72/319,780.44
  6. Step 6: Final answer
    x = 243,626.24

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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.