Home / 204,427.86-306,680.76-71,346.12

Finding the Fourth Proportional to 204,427.86, 306,680.76 and 71,346.12

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Solution

The fourth proportional to 204,427.86, 306,680.76 and 71,346.12 is: 107,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,427.86 : 306,680.76 = 71,346.12 : x
  2. Step 2: Convert to fraction form
    204,427.86/306,680.76 = 71,346.12/x
  3. Step 3: Cross multiply
    204,427.86x = 306,680.76 × 71,346.12
  4. Step 4: Simplify right side
    204,427.86x = 21,880,482,304.65
  5. Step 5: Solve for x
    x = 21,880,482,304.65/204,427.86
  6. Step 6: Final answer
    x = 107,032.78

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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.