Home / 166,855.76-230,263.56-91,399.28

Finding the Fourth Proportional to 166,855.76, 230,263.56 and 91,399.28

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Solution

The fourth proportional to 166,855.76, 230,263.56 and 91,399.28 is: 126,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,855.76 : 230,263.56 = 91,399.28 : x
  2. Step 2: Convert to fraction form
    166,855.76/230,263.56 = 91,399.28/x
  3. Step 3: Cross multiply
    166,855.76x = 230,263.56 × 91,399.28
  4. Step 4: Simplify right side
    166,855.76x = 21,045,923,594.24
  5. Step 5: Solve for x
    x = 21,045,923,594.24/166,855.76
  6. Step 6: Final answer
    x = 126,132.44

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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.