Home / 198,959.67-298,442.25-110,386.17

Finding the Fourth Proportional to 198,959.67, 298,442.25 and 110,386.17

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Solution

The fourth proportional to 198,959.67, 298,442.25 and 110,386.17 is: 165,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,959.67 : 298,442.25 = 110,386.17 : x
  2. Step 2: Convert to fraction form
    198,959.67/298,442.25 = 110,386.17/x
  3. Step 3: Cross multiply
    198,959.67x = 298,442.25 × 110,386.17
  4. Step 4: Simplify right side
    198,959.67x = 32,943,896,943.68
  5. Step 5: Solve for x
    x = 32,943,896,943.68/198,959.67
  6. Step 6: Final answer
    x = 165,580.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.