Home / 198,129.24-297,660.42-161,426.52

Finding the Fourth Proportional to 198,129.24, 297,660.42 and 161,426.52

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Solution

The fourth proportional to 198,129.24, 297,660.42 and 161,426.52 is: 242,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,129.24 : 297,660.42 = 161,426.52 : x
  2. Step 2: Convert to fraction form
    198,129.24/297,660.42 = 161,426.52/x
  3. Step 3: Cross multiply
    198,129.24x = 297,660.42 × 161,426.52
  4. Step 4: Simplify right side
    198,129.24x = 48,050,285,742.34
  5. Step 5: Solve for x
    x = 48,050,285,742.34/198,129.24
  6. Step 6: Final answer
    x = 242,519.91

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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.