Home / 206,302.83-309,458.57-66,061.05

Finding the Fourth Proportional to 206,302.83, 309,458.57 and 66,061.05

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Solution

The fourth proportional to 206,302.83, 309,458.57 and 66,061.05 is: 99,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,302.83 : 309,458.57 = 66,061.05 : x
  2. Step 2: Convert to fraction form
    206,302.83/309,458.57 = 66,061.05/x
  3. Step 3: Cross multiply
    206,302.83x = 309,458.57 × 66,061.05
  4. Step 4: Simplify right side
    206,302.83x = 20,443,157,735.39
  5. Step 5: Solve for x
    x = 20,443,157,735.39/206,302.83
  6. Step 6: Final answer
    x = 99,092.96

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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.