Home / 332,639.60-499,032.30-107,961.80

Finding the Fourth Proportional to 332,639.60, 499,032.30 and 107,961.80

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Solution

The fourth proportional to 332,639.60, 499,032.30 and 107,961.80 is: 161,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,639.60 : 499,032.30 = 107,961.80 : x
  2. Step 2: Convert to fraction form
    332,639.60/499,032.30 = 107,961.80/x
  3. Step 3: Cross multiply
    332,639.60x = 499,032.30 × 107,961.80
  4. Step 4: Simplify right side
    332,639.60x = 53,876,425,366.14
  5. Step 5: Solve for x
    x = 53,876,425,366.14/332,639.60
  6. Step 6: Final answer
    x = 161,966.36

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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.