Home / 347,211.05-479,147.73-192,162.65

Finding the Fourth Proportional to 347,211.05, 479,147.73 and 192,162.65

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Solution

The fourth proportional to 347,211.05, 479,147.73 and 192,162.65 is: 265,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,211.05 : 479,147.73 = 192,162.65 : x
  2. Step 2: Convert to fraction form
    347,211.05/479,147.73 = 192,162.65/x
  3. Step 3: Cross multiply
    347,211.05x = 479,147.73 × 192,162.65
  4. Step 4: Simplify right side
    347,211.05x = 92,074,295,739.12
  5. Step 5: Solve for x
    x = 92,074,295,739.12/347,211.05
  6. Step 6: Final answer
    x = 265,182.50

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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.