Home / 206,363.41-309,545.10-136,226.32

Finding the Fourth Proportional to 206,363.41, 309,545.10 and 136,226.32

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Solution

The fourth proportional to 206,363.41, 309,545.10 and 136,226.32 is: 204,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,363.41 : 309,545.10 = 136,226.32 : x
  2. Step 2: Convert to fraction form
    206,363.41/309,545.10 = 136,226.32/x
  3. Step 3: Cross multiply
    206,363.41x = 309,545.10 × 136,226.32
  4. Step 4: Simplify right side
    206,363.41x = 42,168,189,847.03
  5. Step 5: Solve for x
    x = 42,168,189,847.03/206,363.41
  6. Step 6: Final answer
    x = 204,339.47

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1.5x scale

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.