Home / 198,435.48-273,947.58-153,013.92

Finding the Fourth Proportional to 198,435.48, 273,947.58 and 153,013.92

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Solution

The fourth proportional to 198,435.48, 273,947.58 and 153,013.92 is: 211,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,435.48 : 273,947.58 = 153,013.92 : x
  2. Step 2: Convert to fraction form
    198,435.48/273,947.58 = 153,013.92/x
  3. Step 3: Cross multiply
    198,435.48x = 273,947.58 × 153,013.92
  4. Step 4: Simplify right side
    198,435.48x = 41,917,793,090.31
  5. Step 5: Solve for x
    x = 41,917,793,090.31/198,435.48
  6. Step 6: Final answer
    x = 211,241.42

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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.