Home / 198,330.59-273,668.65-116,662.54

Finding the Fourth Proportional to 198,330.59, 273,668.65 and 116,662.54

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Solution

The fourth proportional to 198,330.59, 273,668.65 and 116,662.54 is: 160,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,330.59 : 273,668.65 = 116,662.54 : x
  2. Step 2: Convert to fraction form
    198,330.59/273,668.65 = 116,662.54/x
  3. Step 3: Cross multiply
    198,330.59x = 273,668.65 × 116,662.54
  4. Step 4: Simplify right side
    198,330.59x = 31,926,879,827.37
  5. Step 5: Solve for x
    x = 31,926,879,827.37/198,330.59
  6. Step 6: Final answer
    x = 160,978.09

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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.