Home / 179,939.80-269,909.70-116,954.20

Finding the Fourth Proportional to 179,939.80, 269,909.70 and 116,954.20

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Solution

The fourth proportional to 179,939.80, 269,909.70 and 116,954.20 is: 175,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,939.80 : 269,909.70 = 116,954.20 : x
  2. Step 2: Convert to fraction form
    179,939.80/269,909.70 = 116,954.20/x
  3. Step 3: Cross multiply
    179,939.80x = 269,909.70 × 116,954.20
  4. Step 4: Simplify right side
    179,939.80x = 31,567,073,035.74
  5. Step 5: Solve for x
    x = 31,567,073,035.74/179,939.80
  6. Step 6: Final answer
    x = 175,431.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.