Home / 206,325.36-309,492.24-66,083.52

Finding the Fourth Proportional to 206,325.36, 309,492.24 and 66,083.52

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Solution

The fourth proportional to 206,325.36, 309,492.24 and 66,083.52 is: 99,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,325.36 : 309,492.24 = 66,083.52 : x
  2. Step 2: Convert to fraction form
    206,325.36/309,492.24 = 66,083.52/x
  3. Step 3: Cross multiply
    206,325.36x = 309,492.24 × 66,083.52
  4. Step 4: Simplify right side
    206,325.36x = 20,452,336,631.88
  5. Step 5: Solve for x
    x = 20,452,336,631.88/206,325.36
  6. Step 6: Final answer
    x = 99,126.63

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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.