Home / 355,286.22-490,274.10-194,109.18

Finding the Fourth Proportional to 355,286.22, 490,274.10 and 194,109.18

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Solution

The fourth proportional to 355,286.22, 490,274.10 and 194,109.18 is: 267,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,286.22 : 490,274.10 = 194,109.18 : x
  2. Step 2: Convert to fraction form
    355,286.22/490,274.10 = 194,109.18/x
  3. Step 3: Cross multiply
    355,286.22x = 490,274.10 × 194,109.18
  4. Step 4: Simplify right side
    355,286.22x = 95,166,703,526.24
  5. Step 5: Solve for x
    x = 95,166,703,526.24/355,286.22
  6. Step 6: Final answer
    x = 267,859.26

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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.