Home / 219,877.50-303,455.25-124,383.36

Finding the Fourth Proportional to 219,877.50, 303,455.25 and 124,383.36

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Solution

The fourth proportional to 219,877.50, 303,455.25 and 124,383.36 is: 171,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,877.50 : 303,455.25 = 124,383.36 : x
  2. Step 2: Convert to fraction form
    219,877.50/303,455.25 = 124,383.36/x
  3. Step 3: Cross multiply
    219,877.50x = 303,455.25 × 124,383.36
  4. Step 4: Simplify right side
    219,877.50x = 37,744,783,604.64
  5. Step 5: Solve for x
    x = 37,744,783,604.64/219,877.50
  6. Step 6: Final answer
    x = 171,662.78

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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.