Home / 355,209.68-490,223.26-194,089.24

Finding the Fourth Proportional to 355,209.68, 490,223.26 and 194,089.24

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Solution

The fourth proportional to 355,209.68, 490,223.26 and 194,089.24 is: 267,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,209.68 : 490,223.26 = 194,089.24 : x
  2. Step 2: Convert to fraction form
    355,209.68/490,223.26 = 194,089.24/x
  3. Step 3: Cross multiply
    355,209.68x = 490,223.26 × 194,089.24
  4. Step 4: Simplify right side
    355,209.68x = 95,147,059,963.72
  5. Step 5: Solve for x
    x = 95,147,059,963.72/355,209.68
  6. Step 6: Final answer
    x = 267,861.68

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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.