Home / 353,254.82-487,489.24-192,109.44

Finding the Fourth Proportional to 353,254.82, 487,489.24 and 192,109.44

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Solution

The fourth proportional to 353,254.82, 487,489.24 and 192,109.44 is: 265,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,254.82 : 487,489.24 = 192,109.44 : x
  2. Step 2: Convert to fraction form
    353,254.82/487,489.24 = 192,109.44/x
  3. Step 3: Cross multiply
    353,254.82x = 487,489.24 × 192,109.44
  4. Step 4: Simplify right side
    353,254.82x = 93,651,284,902.43
  5. Step 5: Solve for x
    x = 93,651,284,902.43/353,254.82
  6. Step 6: Final answer
    x = 265,109.72

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1.5x scale

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.