Home / 353,821.05-488,273.58-192,676.77

Finding the Fourth Proportional to 353,821.05, 488,273.58 and 192,676.77

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Solution

The fourth proportional to 353,821.05, 488,273.58 and 192,676.77 is: 265,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,821.05 : 488,273.58 = 192,676.77 : x
  2. Step 2: Convert to fraction form
    353,821.05/488,273.58 = 192,676.77/x
  3. Step 3: Cross multiply
    353,821.05x = 488,273.58 × 192,676.77
  4. Step 4: Simplify right side
    353,821.05x = 94,078,976,270.74
  5. Step 5: Solve for x
    x = 94,078,976,270.74/353,821.05
  6. Step 6: Final answer
    x = 265,894.23

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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.