Home / 353,327.82-487,587.68-192,179.40

Finding the Fourth Proportional to 353,327.82, 487,587.68 and 192,179.40

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Solution

The fourth proportional to 353,327.82, 487,587.68 and 192,179.40 is: 265,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,327.82 : 487,587.68 = 192,179.40 : x
  2. Step 2: Convert to fraction form
    353,327.82/487,587.68 = 192,179.40/x
  3. Step 3: Cross multiply
    353,327.82x = 487,587.68 × 192,179.40
  4. Step 4: Simplify right side
    353,327.82x = 93,704,307,789.79
  5. Step 5: Solve for x
    x = 93,704,307,789.79/353,327.82
  6. Step 6: Final answer
    x = 265,205.01

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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.