Home / 192,788.16-266,049-112,262.64

Finding the Fourth Proportional to 192,788.16, 266,049 and 112,262.64

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Solution

The fourth proportional to 192,788.16, 266,049 and 112,262.64 is: 154,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,788.16 : 266,049 = 112,262.64 : x
  2. Step 2: Convert to fraction form
    192,788.16/266,049 = 112,262.64/x
  3. Step 3: Cross multiply
    192,788.16x = 266,049 × 112,262.64
  4. Step 4: Simplify right side
    192,788.16x = 29,867,363,109.36
  5. Step 5: Solve for x
    x = 29,867,363,109.36/192,788.16
  6. Step 6: Final answer
    x = 154,923.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.