Home / 166,778.48-230,151.54-90,296.97

Finding the Fourth Proportional to 166,778.48, 230,151.54 and 90,296.97

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Solution

The fourth proportional to 166,778.48, 230,151.54 and 90,296.97 is: 124,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,778.48 : 230,151.54 = 90,296.97 : x
  2. Step 2: Convert to fraction form
    166,778.48/230,151.54 = 90,296.97/x
  3. Step 3: Cross multiply
    166,778.48x = 230,151.54 × 90,296.97
  4. Step 4: Simplify right side
    166,778.48x = 20,781,986,702.83
  5. Step 5: Solve for x
    x = 20,781,986,702.83/166,778.48
  6. Step 6: Final answer
    x = 124,608.32

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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.