Home / 223,220.41-308,063.21-126,441.54

Finding the Fourth Proportional to 223,220.41, 308,063.21 and 126,441.54

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Solution

The fourth proportional to 223,220.41, 308,063.21 and 126,441.54 is: 174,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,220.41 : 308,063.21 = 126,441.54 : x
  2. Step 2: Convert to fraction form
    223,220.41/308,063.21 = 126,441.54/x
  3. Step 3: Cross multiply
    223,220.41x = 308,063.21 × 126,441.54
  4. Step 4: Simplify right side
    223,220.41x = 38,951,986,689.74
  5. Step 5: Solve for x
    x = 38,951,986,689.74/223,220.41
  6. Step 6: Final answer
    x = 174,500.11

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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.