Home / 198,371.52-298,920.96-164,079.36

Finding the Fourth Proportional to 198,371.52, 298,920.96 and 164,079.36

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Solution

The fourth proportional to 198,371.52, 298,920.96 and 164,079.36 is: 247,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,371.52 : 298,920.96 = 164,079.36 : x
  2. Step 2: Convert to fraction form
    198,371.52/298,920.96 = 164,079.36/x
  3. Step 3: Cross multiply
    198,371.52x = 298,920.96 × 164,079.36
  4. Step 4: Simplify right side
    198,371.52x = 49,046,759,807.39
  5. Step 5: Solve for x
    x = 49,046,759,807.39/198,371.52
  6. Step 6: Final answer
    x = 247,246.98

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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.