Home / 204,625.10-306,937.65-133,766.30

Finding the Fourth Proportional to 204,625.10, 306,937.65 and 133,766.30

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Solution

The fourth proportional to 204,625.10, 306,937.65 and 133,766.30 is: 200,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,625.10 : 306,937.65 = 133,766.30 : x
  2. Step 2: Convert to fraction form
    204,625.10/306,937.65 = 133,766.30/x
  3. Step 3: Cross multiply
    204,625.10x = 306,937.65 × 133,766.30
  4. Step 4: Simplify right side
    204,625.10x = 41,057,913,771.20
  5. Step 5: Solve for x
    x = 41,057,913,771.20/204,625.10
  6. Step 6: Final answer
    x = 200,649.45

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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.