Home / 198,174.21-297,134.88-130,628.27

Finding the Fourth Proportional to 198,174.21, 297,134.88 and 130,628.27

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Solution

The fourth proportional to 198,174.21, 297,134.88 and 130,628.27 is: 195,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,174.21 : 297,134.88 = 130,628.27 : x
  2. Step 2: Convert to fraction form
    198,174.21/297,134.88 = 130,628.27/x
  3. Step 3: Cross multiply
    198,174.21x = 297,134.88 × 130,628.27
  4. Step 4: Simplify right side
    198,174.21x = 38,814,213,845.38
  5. Step 5: Solve for x
    x = 38,814,213,845.38/198,174.21
  6. Step 6: Final answer
    x = 195,859.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.