Home / 542,734.12-813,837.38-163,584.41

Finding the Fourth Proportional to 542,734.12, 813,837.38 and 163,584.41

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Solution

The fourth proportional to 542,734.12, 813,837.38 and 163,584.41 is: 245,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,734.12 : 813,837.38 = 163,584.41 : x
  2. Step 2: Convert to fraction form
    542,734.12/813,837.38 = 163,584.41/x
  3. Step 3: Cross multiply
    542,734.12x = 813,837.38 × 163,584.41
  4. Step 4: Simplify right side
    542,734.12x = 133,131,107,333.97
  5. Step 5: Solve for x
    x = 133,131,107,333.97/542,734.12
  6. Step 6: Final answer
    x = 245,297.10

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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.