Home / 179,580.56-269,435.28-76,954.80

Finding the Fourth Proportional to 179,580.56, 269,435.28 and 76,954.80

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Solution

The fourth proportional to 179,580.56, 269,435.28 and 76,954.80 is: 115,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,580.56 : 269,435.28 = 76,954.80 : x
  2. Step 2: Convert to fraction form
    179,580.56/269,435.28 = 76,954.80/x
  3. Step 3: Cross multiply
    179,580.56x = 269,435.28 × 76,954.80
  4. Step 4: Simplify right side
    179,580.56x = 20,734,338,085.34
  5. Step 5: Solve for x
    x = 20,734,338,085.34/179,580.56
  6. Step 6: Final answer
    x = 115,459.81

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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.