Home / 355,925.44-491,175.80-192,581.45

Finding the Fourth Proportional to 355,925.44, 491,175.80 and 192,581.45

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Solution

The fourth proportional to 355,925.44, 491,175.80 and 192,581.45 is: 265,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,925.44 : 491,175.80 = 192,581.45 : x
  2. Step 2: Convert to fraction form
    355,925.44/491,175.80 = 192,581.45/x
  3. Step 3: Cross multiply
    355,925.44x = 491,175.80 × 192,581.45
  4. Step 4: Simplify right side
    355,925.44x = 94,591,347,768.91
  5. Step 5: Solve for x
    x = 94,591,347,768.91/355,925.44
  6. Step 6: Final answer
    x = 265,761.69

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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.