Home / 166,818.11-230,207.85-90,335.46

Finding the Fourth Proportional to 166,818.11, 230,207.85 and 90,335.46

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Solution

The fourth proportional to 166,818.11, 230,207.85 and 90,335.46 is: 124,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,818.11 : 230,207.85 = 90,335.46 : x
  2. Step 2: Convert to fraction form
    166,818.11/230,207.85 = 90,335.46/x
  3. Step 3: Cross multiply
    166,818.11x = 230,207.85 × 90,335.46
  4. Step 4: Simplify right side
    166,818.11x = 20,795,930,583.82
  5. Step 5: Solve for x
    x = 20,795,930,583.82/166,818.11
  6. Step 6: Final answer
    x = 124,662.31

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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.