Home / 353,380.24-487,659.72-192,236.50

Finding the Fourth Proportional to 353,380.24, 487,659.72 and 192,236.50

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Solution

The fourth proportional to 353,380.24, 487,659.72 and 192,236.50 is: 265,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,380.24 : 487,659.72 = 192,236.50 : x
  2. Step 2: Convert to fraction form
    353,380.24/487,659.72 = 192,236.50/x
  3. Step 3: Cross multiply
    353,380.24x = 487,659.72 × 192,236.50
  4. Step 4: Simplify right side
    353,380.24x = 93,745,997,763.78
  5. Step 5: Solve for x
    x = 93,745,997,763.78/353,380.24
  6. Step 6: Final answer
    x = 265,283.64

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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.