Home / 641,981.49-962,969.91-192,700.41

Finding the Fourth Proportional to 641,981.49, 962,969.91 and 192,700.41

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Solution

The fourth proportional to 641,981.49, 962,969.91 and 192,700.41 is: 289,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,981.49 : 962,969.91 = 192,700.41 : x
  2. Step 2: Convert to fraction form
    641,981.49/962,969.91 = 192,700.41/x
  3. Step 3: Cross multiply
    641,981.49x = 962,969.91 × 192,700.41
  4. Step 4: Simplify right side
    641,981.49x = 185,564,696,474.66
  5. Step 5: Solve for x
    x = 185,564,696,474.66/641,981.49
  6. Step 6: Final answer
    x = 289,049.92

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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.