Home / 209,374.68-289,233-162,235.92

Finding the Fourth Proportional to 209,374.68, 289,233 and 162,235.92

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Solution

The fourth proportional to 209,374.68, 289,233 and 162,235.92 is: 224,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,374.68 : 289,233 = 162,235.92 : x
  2. Step 2: Convert to fraction form
    209,374.68/289,233 = 162,235.92/x
  3. Step 3: Cross multiply
    209,374.68x = 289,233 × 162,235.92
  4. Step 4: Simplify right side
    209,374.68x = 46,923,981,849.36
  5. Step 5: Solve for x
    x = 46,923,981,849.36/209,374.68
  6. Step 6: Final answer
    x = 224,114.88

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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.