Home / 111,281.39-166,805.45-41,115.95

Finding the Fourth Proportional to 111,281.39, 166,805.45 and 41,115.95

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Solution

The fourth proportional to 111,281.39, 166,805.45 and 41,115.95 is: 61,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,281.39 : 166,805.45 = 41,115.95 : x
  2. Step 2: Convert to fraction form
    111,281.39/166,805.45 = 41,115.95/x
  3. Step 3: Cross multiply
    111,281.39x = 166,805.45 × 41,115.95
  4. Step 4: Simplify right side
    111,281.39x = 6,858,364,336.35
  5. Step 5: Solve for x
    x = 6,858,364,336.35/111,281.39
  6. Step 6: Final answer
    x = 61,630.83

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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.