Home / 206,621.64-309,932.22-56,862.72

Finding the Fourth Proportional to 206,621.64, 309,932.22 and 56,862.72

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Solution

The fourth proportional to 206,621.64, 309,932.22 and 56,862.72 is: 85,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,621.64 : 309,932.22 = 56,862.72 : x
  2. Step 2: Convert to fraction form
    206,621.64/309,932.22 = 56,862.72/x
  3. Step 3: Cross multiply
    206,621.64x = 309,932.22 × 56,862.72
  4. Step 4: Simplify right side
    206,621.64x = 17,623,589,044.84
  5. Step 5: Solve for x
    x = 17,623,589,044.84/206,621.64
  6. Step 6: Final answer
    x = 85,294.01

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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.