Home / 204,780.32-307,149.68-55,001.16

Finding the Fourth Proportional to 204,780.32, 307,149.68 and 55,001.16

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Solution

The fourth proportional to 204,780.32, 307,149.68 and 55,001.16 is: 82,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,780.32 : 307,149.68 = 55,001.16 : x
  2. Step 2: Convert to fraction form
    204,780.32/307,149.68 = 55,001.16/x
  3. Step 3: Cross multiply
    204,780.32x = 307,149.68 × 55,001.16
  4. Step 4: Simplify right side
    204,780.32x = 16,893,588,693.63
  5. Step 5: Solve for x
    x = 16,893,588,693.63/204,780.32
  6. Step 6: Final answer
    x = 82,496.15

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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.