Home / 132,046.20-197,777.70-53,119.80

Finding the Fourth Proportional to 132,046.20, 197,777.70 and 53,119.80

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Solution

The fourth proportional to 132,046.20, 197,777.70 and 53,119.80 is: 79,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,046.20 : 197,777.70 = 53,119.80 : x
  2. Step 2: Convert to fraction form
    132,046.20/197,777.70 = 53,119.80/x
  3. Step 3: Cross multiply
    132,046.20x = 197,777.70 × 53,119.80
  4. Step 4: Simplify right side
    132,046.20x = 10,505,911,868.46
  5. Step 5: Solve for x
    x = 10,505,911,868.46/132,046.20
  6. Step 6: Final answer
    x = 79,562.39

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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.