Home / 220,733.55-331,149.66-80,492.16

Finding the Fourth Proportional to 220,733.55, 331,149.66 and 80,492.16

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Solution

The fourth proportional to 220,733.55, 331,149.66 and 80,492.16 is: 120,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,733.55 : 331,149.66 = 80,492.16 : x
  2. Step 2: Convert to fraction form
    220,733.55/331,149.66 = 80,492.16/x
  3. Step 3: Cross multiply
    220,733.55x = 331,149.66 × 80,492.16
  4. Step 4: Simplify right side
    220,733.55x = 26,654,951,416.67
  5. Step 5: Solve for x
    x = 26,654,951,416.67/220,733.55
  6. Step 6: Final answer
    x = 120,756.23

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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.