Home / 192,021.24-288,405.54-156,508.80

Finding the Fourth Proportional to 192,021.24, 288,405.54 and 156,508.80

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Solution

The fourth proportional to 192,021.24, 288,405.54 and 156,508.80 is: 235,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,021.24 : 288,405.54 = 156,508.80 : x
  2. Step 2: Convert to fraction form
    192,021.24/288,405.54 = 156,508.80/x
  3. Step 3: Cross multiply
    192,021.24x = 288,405.54 × 156,508.80
  4. Step 4: Simplify right side
    192,021.24x = 45,138,004,978.75
  5. Step 5: Solve for x
    x = 45,138,004,978.75/192,021.24
  6. Step 6: Final answer
    x = 235,067.77

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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.