Home / 192,920.38-289,395.54-57,973.92

Finding the Fourth Proportional to 192,920.38, 289,395.54 and 57,973.92

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Solution

The fourth proportional to 192,920.38, 289,395.54 and 57,973.92 is: 86,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,920.38 : 289,395.54 = 57,973.92 : x
  2. Step 2: Convert to fraction form
    192,920.38/289,395.54 = 57,973.92/x
  3. Step 3: Cross multiply
    192,920.38x = 289,395.54 × 57,973.92
  4. Step 4: Simplify right side
    192,920.38x = 16,777,392,962.14
  5. Step 5: Solve for x
    x = 16,777,392,962.14/192,920.38
  6. Step 6: Final answer
    x = 86,965.37

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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.