Home / 198,213.84-273,525.12-117,644.76

Finding the Fourth Proportional to 198,213.84, 273,525.12 and 117,644.76

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Solution

The fourth proportional to 198,213.84, 273,525.12 and 117,644.76 is: 162,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,213.84 : 273,525.12 = 117,644.76 : x
  2. Step 2: Convert to fraction form
    198,213.84/273,525.12 = 117,644.76/x
  3. Step 3: Cross multiply
    198,213.84x = 273,525.12 × 117,644.76
  4. Step 4: Simplify right side
    198,213.84x = 32,178,797,096.37
  5. Step 5: Solve for x
    x = 32,178,797,096.37/198,213.84
  6. Step 6: Final answer
    x = 162,343.85

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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.