Home / 220,221.72-303,768.90-183,333.78

Finding the Fourth Proportional to 220,221.72, 303,768.90 and 183,333.78

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Solution

The fourth proportional to 220,221.72, 303,768.90 and 183,333.78 is: 252,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,221.72 : 303,768.90 = 183,333.78 : x
  2. Step 2: Convert to fraction form
    220,221.72/303,768.90 = 183,333.78/x
  3. Step 3: Cross multiply
    220,221.72x = 303,768.90 × 183,333.78
  4. Step 4: Simplify right side
    220,221.72x = 55,691,100,683.44
  5. Step 5: Solve for x
    x = 55,691,100,683.44/220,221.72
  6. Step 6: Final answer
    x = 252,886.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.