Home / 131,933.20-197,608.20-53,006.80

Finding the Fourth Proportional to 131,933.20, 197,608.20 and 53,006.80

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Solution

The fourth proportional to 131,933.20, 197,608.20 and 53,006.80 is: 79,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,933.20 : 197,608.20 = 53,006.80 : x
  2. Step 2: Convert to fraction form
    131,933.20/197,608.20 = 53,006.80/x
  3. Step 3: Cross multiply
    131,933.20x = 197,608.20 × 53,006.80
  4. Step 4: Simplify right side
    131,933.20x = 10,474,578,335.76
  5. Step 5: Solve for x
    x = 10,474,578,335.76/131,933.20
  6. Step 6: Final answer
    x = 79,393.04

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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.