Home / 204,234.21-306,254.12-71,098.16

Finding the Fourth Proportional to 204,234.21, 306,254.12 and 71,098.16

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Solution

The fourth proportional to 204,234.21, 306,254.12 and 71,098.16 is: 106,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,234.21 : 306,254.12 = 71,098.16 : x
  2. Step 2: Convert to fraction form
    204,234.21/306,254.12 = 71,098.16/x
  3. Step 3: Cross multiply
    204,234.21x = 306,254.12 × 71,098.16
  4. Step 4: Simplify right side
    204,234.21x = 21,774,102,537.66
  5. Step 5: Solve for x
    x = 21,774,102,537.66/204,234.21
  6. Step 6: Final answer
    x = 106,613.40

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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.