Home / 166,778.33-230,151.29-90,296.80

Finding the Fourth Proportional to 166,778.33, 230,151.29 and 90,296.80

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Solution

The fourth proportional to 166,778.33, 230,151.29 and 90,296.80 is: 124,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,778.33 : 230,151.29 = 90,296.80 : x
  2. Step 2: Convert to fraction form
    166,778.33/230,151.29 = 90,296.80/x
  3. Step 3: Cross multiply
    166,778.33x = 230,151.29 × 90,296.80
  4. Step 4: Simplify right side
    166,778.33x = 20,781,925,002.87
  5. Step 5: Solve for x
    x = 20,781,925,002.87/166,778.33
  6. Step 6: Final answer
    x = 124,608.07

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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.