Home / 263,180.33-363,189.02-142,321.61

Finding the Fourth Proportional to 263,180.33, 363,189.02 and 142,321.61

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Solution

The fourth proportional to 263,180.33, 363,189.02 and 142,321.61 is: 196,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,180.33 : 363,189.02 = 142,321.61 : x
  2. Step 2: Convert to fraction form
    263,180.33/363,189.02 = 142,321.61/x
  3. Step 3: Cross multiply
    263,180.33x = 363,189.02 × 142,321.61
  4. Step 4: Simplify right side
    263,180.33x = 51,689,645,349.11
  5. Step 5: Solve for x
    x = 51,689,645,349.11/263,180.33
  6. Step 6: Final answer
    x = 196,403.91

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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.