Home / 393,137.12-588,743.40-182,835.20

Finding the Fourth Proportional to 393,137.12, 588,743.40 and 182,835.20

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Solution

The fourth proportional to 393,137.12, 588,743.40 and 182,835.20 is: 273,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,137.12 : 588,743.40 = 182,835.20 : x
  2. Step 2: Convert to fraction form
    393,137.12/588,743.40 = 182,835.20/x
  3. Step 3: Cross multiply
    393,137.12x = 588,743.40 × 182,835.20
  4. Step 4: Simplify right side
    393,137.12x = 107,643,017,287.68
  5. Step 5: Solve for x
    x = 107,643,017,287.68/393,137.12
  6. Step 6: Final answer
    x = 273,805.28

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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.