Home / 353,720.72-488,144.04-192,582.56

Finding the Fourth Proportional to 353,720.72, 488,144.04 and 192,582.56

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Solution

The fourth proportional to 353,720.72, 488,144.04 and 192,582.56 is: 265,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,720.72 : 488,144.04 = 192,582.56 : x
  2. Step 2: Convert to fraction form
    353,720.72/488,144.04 = 192,582.56/x
  3. Step 3: Cross multiply
    353,720.72x = 488,144.04 × 192,582.56
  4. Step 4: Simplify right side
    353,720.72x = 94,008,028,871.94
  5. Step 5: Solve for x
    x = 94,008,028,871.94/353,720.72
  6. Step 6: Final answer
    x = 265,769.08

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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.