Home / 173,684.20-239,559.78-106,637.80

Finding the Fourth Proportional to 173,684.20, 239,559.78 and 106,637.80

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Solution

The fourth proportional to 173,684.20, 239,559.78 and 106,637.80 is: 147,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,684.20 : 239,559.78 = 106,637.80 : x
  2. Step 2: Convert to fraction form
    173,684.20/239,559.78 = 106,637.80/x
  3. Step 3: Cross multiply
    173,684.20x = 239,559.78 × 106,637.80
  4. Step 4: Simplify right side
    173,684.20x = 25,546,127,907.68
  5. Step 5: Solve for x
    x = 25,546,127,907.68/173,684.20
  6. Step 6: Final answer
    x = 147,083.78

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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.