Home / 206,445.08-309,634.47-56,650.39

Finding the Fourth Proportional to 206,445.08, 309,634.47 and 56,650.39

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Solution

The fourth proportional to 206,445.08, 309,634.47 and 56,650.39 is: 84,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,445.08 : 309,634.47 = 56,650.39 : x
  2. Step 2: Convert to fraction form
    206,445.08/309,634.47 = 56,650.39/x
  3. Step 3: Cross multiply
    206,445.08x = 309,634.47 × 56,650.39
  4. Step 4: Simplify right side
    206,445.08x = 17,540,912,868.19
  5. Step 5: Solve for x
    x = 17,540,912,868.19/206,445.08
  6. Step 6: Final answer
    x = 84,966.49

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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.