Home / 166,572.10-229,868.78-90,091.27

Finding the Fourth Proportional to 166,572.10, 229,868.78 and 90,091.27

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Solution

The fourth proportional to 166,572.10, 229,868.78 and 90,091.27 is: 124,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,572.10 : 229,868.78 = 90,091.27 : x
  2. Step 2: Convert to fraction form
    166,572.10/229,868.78 = 90,091.27/x
  3. Step 3: Cross multiply
    166,572.10x = 229,868.78 × 90,091.27
  4. Step 4: Simplify right side
    166,572.10x = 20,709,170,323.55
  5. Step 5: Solve for x
    x = 20,709,170,323.55/166,572.10
  6. Step 6: Final answer
    x = 124,325.56

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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.