Home / 199,836.64-275,653.92-131,829.46

Finding the Fourth Proportional to 199,836.64, 275,653.92 and 131,829.46

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Solution

The fourth proportional to 199,836.64, 275,653.92 and 131,829.46 is: 181,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,836.64 : 275,653.92 = 131,829.46 : x
  2. Step 2: Convert to fraction form
    199,836.64/275,653.92 = 131,829.46/x
  3. Step 3: Cross multiply
    199,836.64x = 275,653.92 × 131,829.46
  4. Step 4: Simplify right side
    199,836.64x = 36,339,307,420.48
  5. Step 5: Solve for x
    x = 36,339,307,420.48/199,836.64
  6. Step 6: Final answer
    x = 181,845.07

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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.