Home / 299,539.20-449,046.12-112,681.92

Finding the Fourth Proportional to 299,539.20, 449,046.12 and 112,681.92

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Solution

The fourth proportional to 299,539.20, 449,046.12 and 112,681.92 is: 168,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,539.20 : 449,046.12 = 112,681.92 : x
  2. Step 2: Convert to fraction form
    299,539.20/449,046.12 = 112,681.92/x
  3. Step 3: Cross multiply
    299,539.20x = 449,046.12 × 112,681.92
  4. Step 4: Simplify right side
    299,539.20x = 50,599,378,970.15
  5. Step 5: Solve for x
    x = 50,599,378,970.15/299,539.20
  6. Step 6: Final answer
    x = 168,924.06

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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.