Home / 641,989.38-962,981.73-192,708.30

Finding the Fourth Proportional to 641,989.38, 962,981.73 and 192,708.30

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Solution

The fourth proportional to 641,989.38, 962,981.73 and 192,708.30 is: 289,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,989.38 : 962,981.73 = 192,708.30 : x
  2. Step 2: Convert to fraction form
    641,989.38/962,981.73 = 192,708.30/x
  3. Step 3: Cross multiply
    641,989.38x = 962,981.73 × 192,708.30
  4. Step 4: Simplify right side
    641,989.38x = 185,574,572,119.36
  5. Step 5: Solve for x
    x = 185,574,572,119.36/641,989.38
  6. Step 6: Final answer
    x = 289,061.75

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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.