Home / 206,385.44-284,691.02-129,783.33

Finding the Fourth Proportional to 206,385.44, 284,691.02 and 129,783.33

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Solution

The fourth proportional to 206,385.44, 284,691.02 and 129,783.33 is: 179,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,385.44 : 284,691.02 = 129,783.33 : x
  2. Step 2: Convert to fraction form
    206,385.44/284,691.02 = 129,783.33/x
  3. Step 3: Cross multiply
    206,385.44x = 284,691.02 × 129,783.33
  4. Step 4: Simplify right side
    206,385.44x = 36,948,147,947.78
  5. Step 5: Solve for x
    x = 36,948,147,947.78/206,385.44
  6. Step 6: Final answer
    x = 179,024.98

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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.