Home / 173,871.20-261,195.60-166,786.40

Finding the Fourth Proportional to 173,871.20, 261,195.60 and 166,786.40

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Solution

The fourth proportional to 173,871.20, 261,195.60 and 166,786.40 is: 250,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,871.20 : 261,195.60 = 166,786.40 : x
  2. Step 2: Convert to fraction form
    173,871.20/261,195.60 = 166,786.40/x
  3. Step 3: Cross multiply
    173,871.20x = 261,195.60 × 166,786.40
  4. Step 4: Simplify right side
    173,871.20x = 43,563,873,819.84
  5. Step 5: Solve for x
    x = 43,563,873,819.84/173,871.20
  6. Step 6: Final answer
    x = 250,552.56

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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.