Home / 192,931.93-266,249.73-108,048.79

Finding the Fourth Proportional to 192,931.93, 266,249.73 and 108,048.79

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Solution

The fourth proportional to 192,931.93, 266,249.73 and 108,048.79 is: 149,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,931.93 : 266,249.73 = 108,048.79 : x
  2. Step 2: Convert to fraction form
    192,931.93/266,249.73 = 108,048.79/x
  3. Step 3: Cross multiply
    192,931.93x = 266,249.73 × 108,048.79
  4. Step 4: Simplify right side
    192,931.93x = 28,767,961,164.33
  5. Step 5: Solve for x
    x = 28,767,961,164.33/192,931.93
  6. Step 6: Final answer
    x = 149,109.38

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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.