Home / 166,227.20-229,395.36-90,777.92

Finding the Fourth Proportional to 166,227.20, 229,395.36 and 90,777.92

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Solution

The fourth proportional to 166,227.20, 229,395.36 and 90,777.92 is: 125,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,227.20 : 229,395.36 = 90,777.92 : x
  2. Step 2: Convert to fraction form
    166,227.20/229,395.36 = 90,777.92/x
  3. Step 3: Cross multiply
    166,227.20x = 229,395.36 × 90,777.92
  4. Step 4: Simplify right side
    166,227.20x = 20,824,033,638.45
  5. Step 5: Solve for x
    x = 20,824,033,638.45/166,227.20
  6. Step 6: Final answer
    x = 125,274.53

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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.