Home / 179,039.90-268,559.86-84,211.14

Finding the Fourth Proportional to 179,039.90, 268,559.86 and 84,211.14

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Solution

The fourth proportional to 179,039.90, 268,559.86 and 84,211.14 is: 126,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,039.90 : 268,559.86 = 84,211.14 : x
  2. Step 2: Convert to fraction form
    179,039.90/268,559.86 = 84,211.14/x
  3. Step 3: Cross multiply
    179,039.90x = 268,559.86 × 84,211.14
  4. Step 4: Simplify right side
    179,039.90x = 22,615,731,968.84
  5. Step 5: Solve for x
    x = 22,615,731,968.84/179,039.90
  6. Step 6: Final answer
    x = 126,316.71

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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.