Home / 641,984.76-963,137.34-192,713.94

Finding the Fourth Proportional to 641,984.76, 963,137.34 and 192,713.94

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Solution

The fourth proportional to 641,984.76, 963,137.34 and 192,713.94 is: 289,119.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,984.76 : 963,137.34 = 192,713.94 : x
  2. Step 2: Convert to fraction form
    641,984.76/963,137.34 = 192,713.94/x
  3. Step 3: Cross multiply
    641,984.76x = 963,137.34 × 192,713.94
  4. Step 4: Simplify right side
    641,984.76x = 185,609,991,552.52
  5. Step 5: Solve for x
    x = 185,609,991,552.52/641,984.76
  6. Step 6: Final answer
    x = 289,119.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.