Home / 434,861.06-652,514.25-198,173.30

Finding the Fourth Proportional to 434,861.06, 652,514.25 and 198,173.30

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Solution

The fourth proportional to 434,861.06, 652,514.25 and 198,173.30 is: 297,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,861.06 : 652,514.25 = 198,173.30 : x
  2. Step 2: Convert to fraction form
    434,861.06/652,514.25 = 198,173.30/x
  3. Step 3: Cross multiply
    434,861.06x = 652,514.25 × 198,173.30
  4. Step 4: Simplify right side
    434,861.06x = 129,310,902,219.53
  5. Step 5: Solve for x
    x = 129,310,902,219.53/434,861.06
  6. Step 6: Final answer
    x = 297,361.42

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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.