Home / 198,372.52-298,922.47-164,080.36

Finding the Fourth Proportional to 198,372.52, 298,922.47 and 164,080.36

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Solution

The fourth proportional to 198,372.52, 298,922.47 and 164,080.36 is: 247,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,372.52 : 298,922.47 = 164,080.36 : x
  2. Step 2: Convert to fraction form
    198,372.52/298,922.47 = 164,080.36/x
  3. Step 3: Cross multiply
    198,372.52x = 298,922.47 × 164,080.36
  4. Step 4: Simplify right side
    198,372.52x = 49,047,306,489.69
  5. Step 5: Solve for x
    x = 49,047,306,489.69/198,372.52
  6. Step 6: Final answer
    x = 247,248.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.