Home / 198,852.88-274,408.68-109,423.12

Finding the Fourth Proportional to 198,852.88, 274,408.68 and 109,423.12

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Solution

The fourth proportional to 198,852.88, 274,408.68 and 109,423.12 is: 150,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,852.88 : 274,408.68 = 109,423.12 : x
  2. Step 2: Convert to fraction form
    198,852.88/274,408.68 = 109,423.12/x
  3. Step 3: Cross multiply
    198,852.88x = 274,408.68 × 109,423.12
  4. Step 4: Simplify right side
    198,852.88x = 30,026,653,920.68
  5. Step 5: Solve for x
    x = 30,026,653,920.68/198,852.88
  6. Step 6: Final answer
    x = 150,999.34

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1.5x scale

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.