Home / 355,917.60-491,166.29-194,772.71

Finding the Fourth Proportional to 355,917.60, 491,166.29 and 194,772.71

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Solution

The fourth proportional to 355,917.60, 491,166.29 and 194,772.71 is: 268,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,917.60 : 491,166.29 = 194,772.71 : x
  2. Step 2: Convert to fraction form
    355,917.60/491,166.29 = 194,772.71/x
  3. Step 3: Cross multiply
    355,917.60x = 491,166.29 × 194,772.71
  4. Step 4: Simplify right side
    355,917.60x = 95,665,791,078.79
  5. Step 5: Solve for x
    x = 95,665,791,078.79/355,917.60
  6. Step 6: Final answer
    x = 268,786.35

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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.