Home / 198,399.34-273,604.58-153,005.42

Finding the Fourth Proportional to 198,399.34, 273,604.58 and 153,005.42

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Solution

The fourth proportional to 198,399.34, 273,604.58 and 153,005.42 is: 211,003.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,399.34 : 273,604.58 = 153,005.42 : x
  2. Step 2: Convert to fraction form
    198,399.34/273,604.58 = 153,005.42/x
  3. Step 3: Cross multiply
    198,399.34x = 273,604.58 × 153,005.42
  4. Step 4: Simplify right side
    198,399.34x = 41,862,983,676.82
  5. Step 5: Solve for x
    x = 41,862,983,676.82/198,399.34
  6. Step 6: Final answer
    x = 211,003.64

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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.