Home / 328,512.85-453,306.53-192,515.67

Finding the Fourth Proportional to 328,512.85, 453,306.53 and 192,515.67

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Solution

The fourth proportional to 328,512.85, 453,306.53 and 192,515.67 is: 265,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,512.85 : 453,306.53 = 192,515.67 : x
  2. Step 2: Convert to fraction form
    328,512.85/453,306.53 = 192,515.67/x
  3. Step 3: Cross multiply
    328,512.85x = 453,306.53 × 192,515.67
  4. Step 4: Simplify right side
    328,512.85x = 87,268,610,819.61
  5. Step 5: Solve for x
    x = 87,268,610,819.61/328,512.85
  6. Step 6: Final answer
    x = 265,647.48

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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.