Home / 192,556.12-288,902.58-85,930.40

Finding the Fourth Proportional to 192,556.12, 288,902.58 and 85,930.40

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Solution

The fourth proportional to 192,556.12, 288,902.58 and 85,930.40 is: 128,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,556.12 : 288,902.58 = 85,930.40 : x
  2. Step 2: Convert to fraction form
    192,556.12/288,902.58 = 85,930.40/x
  3. Step 3: Cross multiply
    192,556.12x = 288,902.58 × 85,930.40
  4. Step 4: Simplify right side
    192,556.12x = 24,825,514,260.43
  5. Step 5: Solve for x
    x = 24,825,514,260.43/192,556.12
  6. Step 6: Final answer
    x = 128,926.12

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1.5x scale

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.