Home / 353,249.14-487,487.08-192,105.72

Finding the Fourth Proportional to 353,249.14, 487,487.08 and 192,105.72

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Solution

The fourth proportional to 353,249.14, 487,487.08 and 192,105.72 is: 265,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,249.14 : 487,487.08 = 192,105.72 : x
  2. Step 2: Convert to fraction form
    353,249.14/487,487.08 = 192,105.72/x
  3. Step 3: Cross multiply
    353,249.14x = 487,487.08 × 192,105.72
  4. Step 4: Simplify right side
    353,249.14x = 93,649,056,494.10
  5. Step 5: Solve for x
    x = 93,649,056,494.10/353,249.14
  6. Step 6: Final answer
    x = 265,107.67

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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.