Home / 120,668.39-166,519.83-66,952.25

Finding the Fourth Proportional to 120,668.39, 166,519.83 and 66,952.25

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Solution

The fourth proportional to 120,668.39, 166,519.83 and 66,952.25 is: 92,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,668.39 : 166,519.83 = 66,952.25 : x
  2. Step 2: Convert to fraction form
    120,668.39/166,519.83 = 66,952.25/x
  3. Step 3: Cross multiply
    120,668.39x = 166,519.83 × 66,952.25
  4. Step 4: Simplify right side
    120,668.39x = 11,148,877,288.12
  5. Step 5: Solve for x
    x = 11,148,877,288.12/120,668.39
  6. Step 6: Final answer
    x = 92,392.69

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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.