Home / 185,326.09-255,747.72-100,441.33

Finding the Fourth Proportional to 185,326.09, 255,747.72 and 100,441.33

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Solution

The fourth proportional to 185,326.09, 255,747.72 and 100,441.33 is: 138,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,326.09 : 255,747.72 = 100,441.33 : x
  2. Step 2: Convert to fraction form
    185,326.09/255,747.72 = 100,441.33/x
  3. Step 3: Cross multiply
    185,326.09x = 255,747.72 × 100,441.33
  4. Step 4: Simplify right side
    185,326.09x = 25,687,641,141.27
  5. Step 5: Solve for x
    x = 25,687,641,141.27/185,326.09
  6. Step 6: Final answer
    x = 138,607.80

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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.