Home / 188,306.73-259,862.40-102,265.11

Finding the Fourth Proportional to 188,306.73, 259,862.40 and 102,265.11

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Solution

The fourth proportional to 188,306.73, 259,862.40 and 102,265.11 is: 141,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,306.73 : 259,862.40 = 102,265.11 : x
  2. Step 2: Convert to fraction form
    188,306.73/259,862.40 = 102,265.11/x
  3. Step 3: Cross multiply
    188,306.73x = 259,862.40 × 102,265.11
  4. Step 4: Simplify right side
    188,306.73x = 26,574,856,920.86
  5. Step 5: Solve for x
    x = 26,574,856,920.86/188,306.73
  6. Step 6: Final answer
    x = 141,125.37

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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.