Home / 119,194.66-178,743.36-51,731.38

Finding the Fourth Proportional to 119,194.66, 178,743.36 and 51,731.38

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Solution

The fourth proportional to 119,194.66, 178,743.36 and 51,731.38 is: 77,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,194.66 : 178,743.36 = 51,731.38 : x
  2. Step 2: Convert to fraction form
    119,194.66/178,743.36 = 51,731.38/x
  3. Step 3: Cross multiply
    119,194.66x = 178,743.36 × 51,731.38
  4. Step 4: Simplify right side
    119,194.66x = 9,246,640,678.64
  5. Step 5: Solve for x
    x = 9,246,640,678.64/119,194.66
  6. Step 6: Final answer
    x = 77,575.96

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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.