Home / 204,513.10-306,627.28-90,599.06

Finding the Fourth Proportional to 204,513.10, 306,627.28 and 90,599.06

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Solution

The fourth proportional to 204,513.10, 306,627.28 and 90,599.06 is: 135,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,513.10 : 306,627.28 = 90,599.06 : x
  2. Step 2: Convert to fraction form
    204,513.10/306,627.28 = 90,599.06/x
  3. Step 3: Cross multiply
    204,513.10x = 306,627.28 × 90,599.06
  4. Step 4: Simplify right side
    204,513.10x = 27,780,143,878.43
  5. Step 5: Solve for x
    x = 27,780,143,878.43/204,513.10
  6. Step 6: Final answer
    x = 135,835.52

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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.