Home / 361,517.10-542,272.92-108,796.50

Finding the Fourth Proportional to 361,517.10, 542,272.92 and 108,796.50

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Solution

The fourth proportional to 361,517.10, 542,272.92 and 108,796.50 is: 163,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,517.10 : 542,272.92 = 108,796.50 : x
  2. Step 2: Convert to fraction form
    361,517.10/542,272.92 = 108,796.50/x
  3. Step 3: Cross multiply
    361,517.10x = 542,272.92 × 108,796.50
  4. Step 4: Simplify right side
    361,517.10x = 58,997,395,740.78
  5. Step 5: Solve for x
    x = 58,997,395,740.78/361,517.10
  6. Step 6: Final answer
    x = 163,193.93

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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.