Home / 198,399.09-273,604.24-153,005.17

Finding the Fourth Proportional to 198,399.09, 273,604.24 and 153,005.17

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Solution

The fourth proportional to 198,399.09, 273,604.24 and 153,005.17 is: 211,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,399.09 : 273,604.24 = 153,005.17 : x
  2. Step 2: Convert to fraction form
    198,399.09/273,604.24 = 153,005.17/x
  3. Step 3: Cross multiply
    198,399.09x = 273,604.24 × 153,005.17
  4. Step 4: Simplify right side
    198,399.09x = 41,862,862,187.40
  5. Step 5: Solve for x
    x = 41,862,862,187.40/198,399.09
  6. Step 6: Final answer
    x = 211,003.30

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1.5x scale

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.