Home / 179,021.79-247,056.41-98,455.55

Finding the Fourth Proportional to 179,021.79, 247,056.41 and 98,455.55

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Solution

The fourth proportional to 179,021.79, 247,056.41 and 98,455.55 is: 135,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,021.79 : 247,056.41 = 98,455.55 : x
  2. Step 2: Convert to fraction form
    179,021.79/247,056.41 = 98,455.55/x
  3. Step 3: Cross multiply
    179,021.79x = 247,056.41 × 98,455.55
  4. Step 4: Simplify right side
    179,021.79x = 24,324,073,738.43
  5. Step 5: Solve for x
    x = 24,324,073,738.43/179,021.79
  6. Step 6: Final answer
    x = 135,872.14

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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.