Home / 220,607.12-331,078.20-161,595.92

Finding the Fourth Proportional to 220,607.12, 331,078.20 and 161,595.92

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Solution

The fourth proportional to 220,607.12, 331,078.20 and 161,595.92 is: 242,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,607.12 : 331,078.20 = 161,595.92 : x
  2. Step 2: Convert to fraction form
    220,607.12/331,078.20 = 161,595.92/x
  3. Step 3: Cross multiply
    220,607.12x = 331,078.20 × 161,595.92
  4. Step 4: Simplify right side
    220,607.12x = 53,500,886,320.94
  5. Step 5: Solve for x
    x = 53,500,886,320.94/220,607.12
  6. Step 6: Final answer
    x = 242,516.59

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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.