Home / 204,188.10-306,314.82-71,106.18

Finding the Fourth Proportional to 204,188.10, 306,314.82 and 71,106.18

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Solution

The fourth proportional to 204,188.10, 306,314.82 and 71,106.18 is: 106,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,188.10 : 306,314.82 = 71,106.18 : x
  2. Step 2: Convert to fraction form
    204,188.10/306,314.82 = 71,106.18/x
  3. Step 3: Cross multiply
    204,188.10x = 306,314.82 × 71,106.18
  4. Step 4: Simplify right side
    204,188.10x = 21,780,876,727.59
  5. Step 5: Solve for x
    x = 21,780,876,727.59/204,188.10
  6. Step 6: Final answer
    x = 106,670.65

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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.