Home / 223,179.54-307,912.83-126,370.17

Finding the Fourth Proportional to 223,179.54, 307,912.83 and 126,370.17

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Solution

The fourth proportional to 223,179.54, 307,912.83 and 126,370.17 is: 174,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,179.54 : 307,912.83 = 126,370.17 : x
  2. Step 2: Convert to fraction form
    223,179.54/307,912.83 = 126,370.17/x
  3. Step 3: Cross multiply
    223,179.54x = 307,912.83 × 126,370.17
  4. Step 4: Simplify right side
    223,179.54x = 38,910,996,672.28
  5. Step 5: Solve for x
    x = 38,910,996,672.28/223,179.54
  6. Step 6: Final answer
    x = 174,348.40

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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.