Home / 206,297.83-309,451.07-66,056.05

Finding the Fourth Proportional to 206,297.83, 309,451.07 and 66,056.05

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Solution

The fourth proportional to 206,297.83, 309,451.07 and 66,056.05 is: 99,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,297.83 : 309,451.07 = 66,056.05 : x
  2. Step 2: Convert to fraction form
    206,297.83/309,451.07 = 66,056.05/x
  3. Step 3: Cross multiply
    206,297.83x = 309,451.07 × 66,056.05
  4. Step 4: Simplify right side
    206,297.83x = 20,441,115,352.47
  5. Step 5: Solve for x
    x = 20,441,115,352.47/206,297.83
  6. Step 6: Final answer
    x = 99,085.46

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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.