Home / 361,520.10-542,277.42-108,799.50

Finding the Fourth Proportional to 361,520.10, 542,277.42 and 108,799.50

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Solution

The fourth proportional to 361,520.10, 542,277.42 and 108,799.50 is: 163,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,520.10 : 542,277.42 = 108,799.50 : x
  2. Step 2: Convert to fraction form
    361,520.10/542,277.42 = 108,799.50/x
  3. Step 3: Cross multiply
    361,520.10x = 542,277.42 × 108,799.50
  4. Step 4: Simplify right side
    361,520.10x = 58,999,512,157.29
  5. Step 5: Solve for x
    x = 58,999,512,157.29/361,520.10
  6. Step 6: Final answer
    x = 163,198.43

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1.5x scale

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.