Home / 382,179.26-573,322.96-129,531.76

Finding the Fourth Proportional to 382,179.26, 573,322.96 and 129,531.76

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Solution

The fourth proportional to 382,179.26, 573,322.96 and 129,531.76 is: 194,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,179.26 : 573,322.96 = 129,531.76 : x
  2. Step 2: Convert to fraction form
    382,179.26/573,322.96 = 129,531.76/x
  3. Step 3: Cross multiply
    382,179.26x = 573,322.96 × 129,531.76
  4. Step 4: Simplify right side
    382,179.26x = 74,263,530,785.82
  5. Step 5: Solve for x
    x = 74,263,530,785.82/382,179.26
  6. Step 6: Final answer
    x = 194,315.96

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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.