Home / 110,668.28-166,044.33-66,326.85

Finding the Fourth Proportional to 110,668.28, 166,044.33 and 66,326.85

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Solution

The fourth proportional to 110,668.28, 166,044.33 and 66,326.85 is: 99,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668.28 : 166,044.33 = 66,326.85 : x
  2. Step 2: Convert to fraction form
    110,668.28/166,044.33 = 66,326.85/x
  3. Step 3: Cross multiply
    110,668.28x = 166,044.33 × 66,326.85
  4. Step 4: Simplify right side
    110,668.28x = 11,013,197,369.26
  5. Step 5: Solve for x
    x = 11,013,197,369.26/110,668.28
  6. Step 6: Final answer
    x = 99,515.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.