Home / 285,828.82-428,761.15-96,273.63

Finding the Fourth Proportional to 285,828.82, 428,761.15 and 96,273.63

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Solution

The fourth proportional to 285,828.82, 428,761.15 and 96,273.63 is: 144,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,828.82 : 428,761.15 = 96,273.63 : x
  2. Step 2: Convert to fraction form
    285,828.82/428,761.15 = 96,273.63/x
  3. Step 3: Cross multiply
    285,828.82x = 428,761.15 × 96,273.63
  4. Step 4: Simplify right side
    285,828.82x = 41,278,392,072.79
  5. Step 5: Solve for x
    x = 41,278,392,072.79/285,828.82
  6. Step 6: Final answer
    x = 144,416.48

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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.