Home / 220,770.06-331,204.46-80,528.69

Finding the Fourth Proportional to 220,770.06, 331,204.46 and 80,528.69

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Solution

The fourth proportional to 220,770.06, 331,204.46 and 80,528.69 is: 120,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,770.06 : 331,204.46 = 80,528.69 : x
  2. Step 2: Convert to fraction form
    220,770.06/331,204.46 = 80,528.69/x
  3. Step 3: Cross multiply
    220,770.06x = 331,204.46 × 80,528.69
  4. Step 4: Simplify right side
    220,770.06x = 26,671,459,227.29
  5. Step 5: Solve for x
    x = 26,671,459,227.29/220,770.06
  6. Step 6: Final answer
    x = 120,811.03

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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.