Home / 179,676.92-247,953.64-103,200.96

Finding the Fourth Proportional to 179,676.92, 247,953.64 and 103,200.96

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Solution

The fourth proportional to 179,676.92, 247,953.64 and 103,200.96 is: 142,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,676.92 : 247,953.64 = 103,200.96 : x
  2. Step 2: Convert to fraction form
    179,676.92/247,953.64 = 103,200.96/x
  3. Step 3: Cross multiply
    179,676.92x = 247,953.64 × 103,200.96
  4. Step 4: Simplify right side
    179,676.92x = 25,589,053,683.49
  5. Step 5: Solve for x
    x = 25,589,053,683.49/179,676.92
  6. Step 6: Final answer
    x = 142,417.03

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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.