Home / 204,376.10-306,600.80-84,433.05

Finding the Fourth Proportional to 204,376.10, 306,600.80 and 84,433.05

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Solution

The fourth proportional to 204,376.10, 306,600.80 and 84,433.05 is: 126,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,376.10 : 306,600.80 = 84,433.05 : x
  2. Step 2: Convert to fraction form
    204,376.10/306,600.80 = 84,433.05/x
  3. Step 3: Cross multiply
    204,376.10x = 306,600.80 × 84,433.05
  4. Step 4: Simplify right side
    204,376.10x = 25,887,240,254.27
  5. Step 5: Solve for x
    x = 25,887,240,254.27/204,376.10
  6. Step 6: Final answer
    x = 126,664.72

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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.