Home / 116,609.91-174,914.06-100,766.72

Finding the Fourth Proportional to 116,609.91, 174,914.06 and 100,766.72

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Solution

The fourth proportional to 116,609.91, 174,914.06 and 100,766.72 is: 151,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,609.91 : 174,914.06 = 100,766.72 : x
  2. Step 2: Convert to fraction form
    116,609.91/174,914.06 = 100,766.72/x
  3. Step 3: Cross multiply
    116,609.91x = 174,914.06 × 100,766.72
  4. Step 4: Simplify right side
    116,609.91x = 17,625,514,729.68
  5. Step 5: Solve for x
    x = 17,625,514,729.68/116,609.91
  6. Step 6: Final answer
    x = 151,149.37

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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.