Home / 382,296.06-573,085.94-129,399.57

Finding the Fourth Proportional to 382,296.06, 573,085.94 and 129,399.57

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Solution

The fourth proportional to 382,296.06, 573,085.94 and 129,399.57 is: 193,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,296.06 : 573,085.94 = 129,399.57 : x
  2. Step 2: Convert to fraction form
    382,296.06/573,085.94 = 129,399.57/x
  3. Step 3: Cross multiply
    382,296.06x = 573,085.94 × 129,399.57
  4. Step 4: Simplify right side
    382,296.06x = 74,157,073,562.05
  5. Step 5: Solve for x
    x = 74,157,073,562.05/382,296.06
  6. Step 6: Final answer
    x = 193,978.13

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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.