Home / 166,013.28-229,097.84-90,561.24

Finding the Fourth Proportional to 166,013.28, 229,097.84 and 90,561.24

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Solution

The fourth proportional to 166,013.28, 229,097.84 and 90,561.24 is: 124,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,013.28 : 229,097.84 = 90,561.24 : x
  2. Step 2: Convert to fraction form
    166,013.28/229,097.84 = 90,561.24/x
  3. Step 3: Cross multiply
    166,013.28x = 229,097.84 × 90,561.24
  4. Step 4: Simplify right side
    166,013.28x = 20,747,384,471.72
  5. Step 5: Solve for x
    x = 20,747,384,471.72/166,013.28
  6. Step 6: Final answer
    x = 124,974.25

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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.