Home / 204,289.32-306,434.12-54,530.24

Finding the Fourth Proportional to 204,289.32, 306,434.12 and 54,530.24

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Solution

The fourth proportional to 204,289.32, 306,434.12 and 54,530.24 is: 81,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,289.32 : 306,434.12 = 54,530.24 : x
  2. Step 2: Convert to fraction form
    204,289.32/306,434.12 = 54,530.24/x
  3. Step 3: Cross multiply
    204,289.32x = 306,434.12 × 54,530.24
  4. Step 4: Simplify right side
    204,289.32x = 16,709,926,107.79
  5. Step 5: Solve for x
    x = 16,709,926,107.79/204,289.32
  6. Step 6: Final answer
    x = 81,795.40

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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.