Home / 198,429.04-273,903.96-131,382.64

Finding the Fourth Proportional to 198,429.04, 273,903.96 and 131,382.64

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Solution

The fourth proportional to 198,429.04, 273,903.96 and 131,382.64 is: 181,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,429.04 : 273,903.96 = 131,382.64 : x
  2. Step 2: Convert to fraction form
    198,429.04/273,903.96 = 131,382.64/x
  3. Step 3: Cross multiply
    198,429.04x = 273,903.96 × 131,382.64
  4. Step 4: Simplify right side
    198,429.04x = 35,986,225,371.25
  5. Step 5: Solve for x
    x = 35,986,225,371.25/198,429.04
  6. Step 6: Final answer
    x = 181,355.64

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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.