Home / 166,755.34-230,120.62-90,272.72

Finding the Fourth Proportional to 166,755.34, 230,120.62 and 90,272.72

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Solution

The fourth proportional to 166,755.34, 230,120.62 and 90,272.72 is: 124,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,755.34 : 230,120.62 = 90,272.72 : x
  2. Step 2: Convert to fraction form
    166,755.34/230,120.62 = 90,272.72/x
  3. Step 3: Cross multiply
    166,755.34x = 230,120.62 × 90,272.72
  4. Step 4: Simplify right side
    166,755.34x = 20,773,614,295.49
  5. Step 5: Solve for x
    x = 20,773,614,295.49/166,755.34
  6. Step 6: Final answer
    x = 124,575.41

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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.