Home / 353,665.03-488,057.79-192,521.29

Finding the Fourth Proportional to 353,665.03, 488,057.79 and 192,521.29

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Solution

The fourth proportional to 353,665.03, 488,057.79 and 192,521.29 is: 265,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,665.03 : 488,057.79 = 192,521.29 : x
  2. Step 2: Convert to fraction form
    353,665.03/488,057.79 = 192,521.29/x
  3. Step 3: Cross multiply
    353,665.03x = 488,057.79 × 192,521.29
  4. Step 4: Simplify right side
    353,665.03x = 93,961,514,105.20
  5. Step 5: Solve for x
    x = 93,961,514,105.20/353,665.03
  6. Step 6: Final answer
    x = 265,679.41

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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.