Home / 192,935.49-289,403.35-80,554.47

Finding the Fourth Proportional to 192,935.49, 289,403.35 and 80,554.47

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Solution

The fourth proportional to 192,935.49, 289,403.35 and 80,554.47 is: 120,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,935.49 : 289,403.35 = 80,554.47 : x
  2. Step 2: Convert to fraction form
    192,935.49/289,403.35 = 80,554.47/x
  3. Step 3: Cross multiply
    192,935.49x = 289,403.35 × 80,554.47
  4. Step 4: Simplify right side
    192,935.49x = 23,312,732,188.83
  5. Step 5: Solve for x
    x = 23,312,732,188.83/192,935.49
  6. Step 6: Final answer
    x = 120,831.75

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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.