Home / 166,333.38-229,540.26-90,881.88

Finding the Fourth Proportional to 166,333.38, 229,540.26 and 90,881.88

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Solution

The fourth proportional to 166,333.38, 229,540.26 and 90,881.88 is: 125,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,333.38 : 229,540.26 = 90,881.88 : x
  2. Step 2: Convert to fraction form
    166,333.38/229,540.26 = 90,881.88/x
  3. Step 3: Cross multiply
    166,333.38x = 229,540.26 × 90,881.88
  4. Step 4: Simplify right side
    166,333.38x = 20,861,050,364.49
  5. Step 5: Solve for x
    x = 20,861,050,364.49/166,333.38
  6. Step 6: Final answer
    x = 125,417.10

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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.