Home / 198,350.40-273,722.54-107,705.57

Finding the Fourth Proportional to 198,350.40, 273,722.54 and 107,705.57

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Solution

The fourth proportional to 198,350.40, 273,722.54 and 107,705.57 is: 148,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,350.40 : 273,722.54 = 107,705.57 : x
  2. Step 2: Convert to fraction form
    198,350.40/273,722.54 = 107,705.57/x
  3. Step 3: Cross multiply
    198,350.40x = 273,722.54 × 107,705.57
  4. Step 4: Simplify right side
    198,350.40x = 29,481,442,192.55
  5. Step 5: Solve for x
    x = 29,481,442,192.55/198,350.40
  6. Step 6: Final answer
    x = 148,633.14

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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.