Home / 204,173.32-306,235.68-54,424.84

Finding the Fourth Proportional to 204,173.32, 306,235.68 and 54,424.84

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Solution

The fourth proportional to 204,173.32, 306,235.68 and 54,424.84 is: 81,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,173.32 : 306,235.68 = 54,424.84 : x
  2. Step 2: Convert to fraction form
    204,173.32/306,235.68 = 54,424.84/x
  3. Step 3: Cross multiply
    204,173.32x = 306,235.68 × 54,424.84
  4. Step 4: Simplify right side
    204,173.32x = 16,666,827,886.29
  5. Step 5: Solve for x
    x = 16,666,827,886.29/204,173.32
  6. Step 6: Final answer
    x = 81,630.78

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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.