Home / 443,930.20-665,895.30-194,612.20

Finding the Fourth Proportional to 443,930.20, 665,895.30 and 194,612.20

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Solution

The fourth proportional to 443,930.20, 665,895.30 and 194,612.20 is: 291,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,930.20 : 665,895.30 = 194,612.20 : x
  2. Step 2: Convert to fraction form
    443,930.20/665,895.30 = 194,612.20/x
  3. Step 3: Cross multiply
    443,930.20x = 665,895.30 × 194,612.20
  4. Step 4: Simplify right side
    443,930.20x = 129,591,349,302.66
  5. Step 5: Solve for x
    x = 129,591,349,302.66/443,930.20
  6. Step 6: Final answer
    x = 291,918.30

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Similar ratio
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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.