Home / 166,923.72-230,352.26-90,440.69

Finding the Fourth Proportional to 166,923.72, 230,352.26 and 90,440.69

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Solution

The fourth proportional to 166,923.72, 230,352.26 and 90,440.69 is: 124,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,923.72 : 230,352.26 = 90,440.69 : x
  2. Step 2: Convert to fraction form
    166,923.72/230,352.26 = 90,440.69/x
  3. Step 3: Cross multiply
    166,923.72x = 230,352.26 × 90,440.69
  4. Step 4: Simplify right side
    166,923.72x = 20,833,215,733.49
  5. Step 5: Solve for x
    x = 20,833,215,733.49/166,923.72
  6. Step 6: Final answer
    x = 124,806.80

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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.