Home / 198,423.18-273,768.39-188,450.46

Finding the Fourth Proportional to 198,423.18, 273,768.39 and 188,450.46

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Solution

The fourth proportional to 198,423.18, 273,768.39 and 188,450.46 is: 260,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,423.18 : 273,768.39 = 188,450.46 : x
  2. Step 2: Convert to fraction form
    198,423.18/273,768.39 = 188,450.46/x
  3. Step 3: Cross multiply
    198,423.18x = 273,768.39 × 188,450.46
  4. Step 4: Simplify right side
    198,423.18x = 51,591,779,028.96
  5. Step 5: Solve for x
    x = 51,591,779,028.96/198,423.18
  6. Step 6: Final answer
    x = 260,008.83

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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.