Home / 198,256.11-273,592.45-107,611.34

Finding the Fourth Proportional to 198,256.11, 273,592.45 and 107,611.34

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Solution

The fourth proportional to 198,256.11, 273,592.45 and 107,611.34 is: 148,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,256.11 : 273,592.45 = 107,611.34 : x
  2. Step 2: Convert to fraction form
    198,256.11/273,592.45 = 107,611.34/x
  3. Step 3: Cross multiply
    198,256.11x = 273,592.45 × 107,611.34
  4. Step 4: Simplify right side
    198,256.11x = 29,441,648,470.95
  5. Step 5: Solve for x
    x = 29,441,648,470.95/198,256.11
  6. Step 6: Final answer
    x = 148,503.11

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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.