Home / 329,748.20-494,622.30-163,860.20

Finding the Fourth Proportional to 329,748.20, 494,622.30 and 163,860.20

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Solution

The fourth proportional to 329,748.20, 494,622.30 and 163,860.20 is: 245,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,748.20 : 494,622.30 = 163,860.20 : x
  2. Step 2: Convert to fraction form
    329,748.20/494,622.30 = 163,860.20/x
  3. Step 3: Cross multiply
    329,748.20x = 494,622.30 × 163,860.20
  4. Step 4: Simplify right side
    329,748.20x = 81,048,909,002.46
  5. Step 5: Solve for x
    x = 81,048,909,002.46/329,748.20
  6. Step 6: Final answer
    x = 245,790.30

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Similar ratio
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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.