Home / 518,153.22-777,257.64-163,195.02

Finding the Fourth Proportional to 518,153.22, 777,257.64 and 163,195.02

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Solution

The fourth proportional to 518,153.22, 777,257.64 and 163,195.02 is: 244,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,153.22 : 777,257.64 = 163,195.02 : x
  2. Step 2: Convert to fraction form
    518,153.22/777,257.64 = 163,195.02/x
  3. Step 3: Cross multiply
    518,153.22x = 777,257.64 × 163,195.02
  4. Step 4: Simplify right side
    518,153.22x = 126,844,576,104.95
  5. Step 5: Solve for x
    x = 126,844,576,104.95/518,153.22
  6. Step 6: Final answer
    x = 244,801.29

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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.