Home / 166,826.28-230,220.33-91,374.78

Finding the Fourth Proportional to 166,826.28, 230,220.33 and 91,374.78

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Solution

The fourth proportional to 166,826.28, 230,220.33 and 91,374.78 is: 126,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,826.28 : 230,220.33 = 91,374.78 : x
  2. Step 2: Convert to fraction form
    166,826.28/230,220.33 = 91,374.78/x
  3. Step 3: Cross multiply
    166,826.28x = 230,220.33 × 91,374.78
  4. Step 4: Simplify right side
    166,826.28x = 21,036,332,525.95
  5. Step 5: Solve for x
    x = 21,036,332,525.95/166,826.28
  6. Step 6: Final answer
    x = 126,097.23

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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.