Home / 119,083.16-178,613.78-40,198.07

Finding the Fourth Proportional to 119,083.16, 178,613.78 and 40,198.07

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Solution

The fourth proportional to 119,083.16, 178,613.78 and 40,198.07 is: 60,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,083.16 : 178,613.78 = 40,198.07 : x
  2. Step 2: Convert to fraction form
    119,083.16/178,613.78 = 40,198.07/x
  3. Step 3: Cross multiply
    119,083.16x = 178,613.78 × 40,198.07
  4. Step 4: Simplify right side
    119,083.16x = 7,179,929,476.95
  5. Step 5: Solve for x
    x = 7,179,929,476.95/119,083.16
  6. Step 6: Final answer
    x = 60,293.41

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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.