Home / 173,133.38-238,928.09-108,605.33

Finding the Fourth Proportional to 173,133.38, 238,928.09 and 108,605.33

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Solution

The fourth proportional to 173,133.38, 238,928.09 and 108,605.33 is: 149,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,133.38 : 238,928.09 = 108,605.33 : x
  2. Step 2: Convert to fraction form
    173,133.38/238,928.09 = 108,605.33/x
  3. Step 3: Cross multiply
    173,133.38x = 238,928.09 × 108,605.33
  4. Step 4: Simplify right side
    173,133.38x = 25,948,864,115.01
  5. Step 5: Solve for x
    x = 25,948,864,115.01/173,133.38
  6. Step 6: Final answer
    x = 149,877.89

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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.