Home / 193,468.98-266,999.14-128,827.38

Finding the Fourth Proportional to 193,468.98, 266,999.14 and 128,827.38

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Solution

The fourth proportional to 193,468.98, 266,999.14 and 128,827.38 is: 177,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,468.98 : 266,999.14 = 128,827.38 : x
  2. Step 2: Convert to fraction form
    193,468.98/266,999.14 = 128,827.38/x
  3. Step 3: Cross multiply
    193,468.98x = 266,999.14 × 128,827.38
  4. Step 4: Simplify right side
    193,468.98x = 34,396,799,668.45
  5. Step 5: Solve for x
    x = 34,396,799,668.45/193,468.98
  6. Step 6: Final answer
    x = 177,789.74

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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.