Home / 199,654.44-275,612.94-131,711.64

Finding the Fourth Proportional to 199,654.44, 275,612.94 and 131,711.64

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Solution

The fourth proportional to 199,654.44, 275,612.94 and 131,711.64 is: 181,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,654.44 : 275,612.94 = 131,711.64 : x
  2. Step 2: Convert to fraction form
    199,654.44/275,612.94 = 131,711.64/x
  3. Step 3: Cross multiply
    199,654.44x = 275,612.94 × 131,711.64
  4. Step 4: Simplify right side
    199,654.44x = 36,301,432,332.62
  5. Step 5: Solve for x
    x = 36,301,432,332.62/199,654.44
  6. Step 6: Final answer
    x = 181,821.31

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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.