Home / 166,229.02-229,396.89-90,777.52

Finding the Fourth Proportional to 166,229.02, 229,396.89 and 90,777.52

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Solution

The fourth proportional to 166,229.02, 229,396.89 and 90,777.52 is: 125,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,229.02 : 229,396.89 = 90,777.52 : x
  2. Step 2: Convert to fraction form
    166,229.02/229,396.89 = 90,777.52/x
  3. Step 3: Cross multiply
    166,229.02x = 229,396.89 × 90,777.52
  4. Step 4: Simplify right side
    166,229.02x = 20,824,080,769.91
  5. Step 5: Solve for x
    x = 20,824,080,769.91/166,229.02
  6. Step 6: Final answer
    x = 125,273.44

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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.