Home / 178,986.44-247,002.28-98,419.19

Finding the Fourth Proportional to 178,986.44, 247,002.28 and 98,419.19

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Solution

The fourth proportional to 178,986.44, 247,002.28 and 98,419.19 is: 135,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,986.44 : 247,002.28 = 98,419.19 : x
  2. Step 2: Convert to fraction form
    178,986.44/247,002.28 = 98,419.19/x
  3. Step 3: Cross multiply
    178,986.44x = 247,002.28 × 98,419.19
  4. Step 4: Simplify right side
    178,986.44x = 24,309,762,844.69
  5. Step 5: Solve for x
    x = 24,309,762,844.69/178,986.44
  6. Step 6: Final answer
    x = 135,819.02

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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.