Home / 204,579.40-306,866.22-56,835.40

Finding the Fourth Proportional to 204,579.40, 306,866.22 and 56,835.40

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Solution

The fourth proportional to 204,579.40, 306,866.22 and 56,835.40 is: 85,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,579.40 : 306,866.22 = 56,835.40 : x
  2. Step 2: Convert to fraction form
    204,579.40/306,866.22 = 56,835.40/x
  3. Step 3: Cross multiply
    204,579.40x = 306,866.22 × 56,835.40
  4. Step 4: Simplify right side
    204,579.40x = 17,440,864,360.19
  5. Step 5: Solve for x
    x = 17,440,864,360.19/204,579.40
  6. Step 6: Final answer
    x = 85,252.30

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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.