Home / 355,514.24-490,609.92-194,366.72

Finding the Fourth Proportional to 355,514.24, 490,609.92 and 194,366.72

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Solution

The fourth proportional to 355,514.24, 490,609.92 and 194,366.72 is: 268,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,514.24 : 490,609.92 = 194,366.72 : x
  2. Step 2: Convert to fraction form
    355,514.24/490,609.92 = 194,366.72/x
  3. Step 3: Cross multiply
    355,514.24x = 490,609.92 × 194,366.72
  4. Step 4: Simplify right side
    355,514.24x = 95,358,240,949.86
  5. Step 5: Solve for x
    x = 95,358,240,949.86/355,514.24
  6. Step 6: Final answer
    x = 268,226.22

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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.